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Finding the Fourth Proportional to 555,737.70, 780,132.30 and 555,737.70

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Solution

The fourth proportional to 555,737.70, 780,132.30 and 555,737.70 is: 780,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,737.70 : 780,132.30 = 555,737.70 : x
  2. Step 2: Convert to fraction form
    555,737.70/780,132.30 = 555,737.70/x
  3. Step 3: Cross multiply
    555,737.70x = 780,132.30 × 555,737.70
  4. Step 4: Simplify right side
    555,737.70x = 433,548,930,097.71
  5. Step 5: Solve for x
    x = 433,548,930,097.71/555,737.70
  6. Step 6: Final answer
    x = 780,132.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.