Home / 463,691.13-695,579.24-143,845.46

Finding the Fourth Proportional to 463,691.13, 695,579.24 and 143,845.46

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Solution

The fourth proportional to 463,691.13, 695,579.24 and 143,845.46 is: 215,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,691.13 : 695,579.24 = 143,845.46 : x
  2. Step 2: Convert to fraction form
    463,691.13/695,579.24 = 143,845.46/x
  3. Step 3: Cross multiply
    463,691.13x = 695,579.24 × 143,845.46
  4. Step 4: Simplify right side
    463,691.13x = 100,055,915,744.25
  5. Step 5: Solve for x
    x = 100,055,915,744.25/463,691.13
  6. Step 6: Final answer
    x = 215,781.39

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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.