Home / 904,338.52-1,248,006.90-542,143.24

Finding the Fourth Proportional to 904,338.52, 1,248,006.90 and 542,143.24

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Solution

The fourth proportional to 904,338.52, 1,248,006.90 and 542,143.24 is: 748,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,338.52 : 1,248,006.90 = 542,143.24 : x
  2. Step 2: Convert to fraction form
    904,338.52/1,248,006.90 = 542,143.24/x
  3. Step 3: Cross multiply
    904,338.52x = 1,248,006.90 × 542,143.24
  4. Step 4: Simplify right side
    904,338.52x = 676,598,504,308.36
  5. Step 5: Solve for x
    x = 676,598,504,308.36/904,338.52
  6. Step 6: Final answer
    x = 748,169.51

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.