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Finding the Fourth Proportional to 532,913.30, 735,398.43 and 291,204.26

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Solution

The fourth proportional to 532,913.30, 735,398.43 and 291,204.26 is: 401,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,913.30 : 735,398.43 = 291,204.26 : x
  2. Step 2: Convert to fraction form
    532,913.30/735,398.43 = 291,204.26/x
  3. Step 3: Cross multiply
    532,913.30x = 735,398.43 × 291,204.26
  4. Step 4: Simplify right side
    532,913.30x = 214,151,155,613.31
  5. Step 5: Solve for x
    x = 214,151,155,613.31/532,913.30
  6. Step 6: Final answer
    x = 401,849.90

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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.