Home / 497,743.10-746,614.65-287,791.10

Finding the Fourth Proportional to 497,743.10, 746,614.65 and 287,791.10

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Solution

The fourth proportional to 497,743.10, 746,614.65 and 287,791.10 is: 431,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,743.10 : 746,614.65 = 287,791.10 : x
  2. Step 2: Convert to fraction form
    497,743.10/746,614.65 = 287,791.10/x
  3. Step 3: Cross multiply
    497,743.10x = 746,614.65 × 287,791.10
  4. Step 4: Simplify right side
    497,743.10x = 214,869,051,399.62
  5. Step 5: Solve for x
    x = 214,869,051,399.62/497,743.10
  6. Step 6: Final answer
    x = 431,686.65

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Similar ratio
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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.