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Finding the Fourth Proportional to 530,892, 732,631 and 292,428

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Solution

The fourth proportional to 530,892, 732,631 and 292,428 is: 403,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,892 : 732,631 = 292,428 : x
  2. Step 2: Convert to fraction form
    530,892/732,631 = 292,428/x
  3. Step 3: Cross multiply
    530,892x = 732,631 × 292,428
  4. Step 4: Simplify right side
    530,892x = 214,241,818,068
  5. Step 5: Solve for x
    x = 214,241,818,068/530,892
  6. Step 6: Final answer
    x = 403,550.66

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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.