Home / 990,534.20-1,485,801.30-242,580.20

Finding the Fourth Proportional to 990,534.20, 1,485,801.30 and 242,580.20

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Solution

The fourth proportional to 990,534.20, 1,485,801.30 and 242,580.20 is: 363,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,534.20 : 1,485,801.30 = 242,580.20 : x
  2. Step 2: Convert to fraction form
    990,534.20/1,485,801.30 = 242,580.20/x
  3. Step 3: Cross multiply
    990,534.20x = 1,485,801.30 × 242,580.20
  4. Step 4: Simplify right side
    990,534.20x = 360,425,976,514.26
  5. Step 5: Solve for x
    x = 360,425,976,514.26/990,534.20
  6. Step 6: Final answer
    x = 363,870.30

Related Problems

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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.