Home / 990,522.30-1,485,783.45-242,568.30

Finding the Fourth Proportional to 990,522.30, 1,485,783.45 and 242,568.30

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Solution

The fourth proportional to 990,522.30, 1,485,783.45 and 242,568.30 is: 363,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,522.30 : 1,485,783.45 = 242,568.30 : x
  2. Step 2: Convert to fraction form
    990,522.30/1,485,783.45 = 242,568.30/x
  3. Step 3: Cross multiply
    990,522.30x = 1,485,783.45 × 242,568.30
  4. Step 4: Simplify right side
    990,522.30x = 360,403,965,634.64
  5. Step 5: Solve for x
    x = 360,403,965,634.64/990,522.30
  6. Step 6: Final answer
    x = 363,852.45

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Half scale
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Double scale
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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.