Home / 531,781.93-733,867.68-290,064.43

Finding the Fourth Proportional to 531,781.93, 733,867.68 and 290,064.43

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Solution

The fourth proportional to 531,781.93, 733,867.68 and 290,064.43 is: 400,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,781.93 : 733,867.68 = 290,064.43 : x
  2. Step 2: Convert to fraction form
    531,781.93/733,867.68 = 290,064.43/x
  3. Step 3: Cross multiply
    531,781.93x = 733,867.68 × 290,064.43
  4. Step 4: Simplify right side
    531,781.93x = 212,868,910,294.62
  5. Step 5: Solve for x
    x = 212,868,910,294.62/531,781.93
  6. Step 6: Final answer
    x = 400,293.61

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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.