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Finding the Fourth Proportional to 529,041.79, 730,125.29 and 299,654.87

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Solution

The fourth proportional to 529,041.79, 730,125.29 and 299,654.87 is: 413,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,041.79 : 730,125.29 = 299,654.87 : x
  2. Step 2: Convert to fraction form
    529,041.79/730,125.29 = 299,654.87/x
  3. Step 3: Cross multiply
    529,041.79x = 730,125.29 × 299,654.87
  4. Step 4: Simplify right side
    529,041.79x = 218,785,598,858.66
  5. Step 5: Solve for x
    x = 218,785,598,858.66/529,041.79
  6. Step 6: Final answer
    x = 413,550.69

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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.