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Finding the Fourth Proportional to 488,348.64, 732,898.08 and 218,560.32

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Solution

The fourth proportional to 488,348.64, 732,898.08 and 218,560.32 is: 328,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,348.64 : 732,898.08 = 218,560.32 : x
  2. Step 2: Convert to fraction form
    488,348.64/732,898.08 = 218,560.32/x
  3. Step 3: Cross multiply
    488,348.64x = 732,898.08 × 218,560.32
  4. Step 4: Simplify right side
    488,348.64x = 160,182,438,892.19
  5. Step 5: Solve for x
    x = 160,182,438,892.19/488,348.64
  6. Step 6: Final answer
    x = 328,008.36

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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.