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Finding the Fourth Proportional to 486,372.88, 730,306 and 433,560.96

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Solution

The fourth proportional to 486,372.88, 730,306 and 433,560.96 is: 651,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,372.88 : 730,306 = 433,560.96 : x
  2. Step 2: Convert to fraction form
    486,372.88/730,306 = 433,560.96/x
  3. Step 3: Cross multiply
    486,372.88x = 730,306 × 433,560.96
  4. Step 4: Simplify right side
    486,372.88x = 316,632,170,453.76
  5. Step 5: Solve for x
    x = 316,632,170,453.76/486,372.88
  6. Step 6: Final answer
    x = 651,007.04

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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.