Home / 990,546.30-1,485,819.45-242,592.30

Finding the Fourth Proportional to 990,546.30, 1,485,819.45 and 242,592.30

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Solution

The fourth proportional to 990,546.30, 1,485,819.45 and 242,592.30 is: 363,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,546.30 : 1,485,819.45 = 242,592.30 : x
  2. Step 2: Convert to fraction form
    990,546.30/1,485,819.45 = 242,592.30/x
  3. Step 3: Cross multiply
    990,546.30x = 1,485,819.45 × 242,592.30
  4. Step 4: Simplify right side
    990,546.30x = 360,448,357,760.24
  5. Step 5: Solve for x
    x = 360,448,357,760.24/990,546.30
  6. Step 6: Final answer
    x = 363,888.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 990,547.30, 1,485,820.95 and 242,593.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.