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Finding the Fourth Proportional to 503,737.20, 706,165.20 and 503,737.20

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Solution

The fourth proportional to 503,737.20, 706,165.20 and 503,737.20 is: 706,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,737.20 : 706,165.20 = 503,737.20 : x
  2. Step 2: Convert to fraction form
    503,737.20/706,165.20 = 503,737.20/x
  3. Step 3: Cross multiply
    503,737.20x = 706,165.20 × 503,737.20
  4. Step 4: Simplify right side
    503,737.20x = 355,721,680,585.44
  5. Step 5: Solve for x
    x = 355,721,680,585.44/503,737.20
  6. Step 6: Final answer
    x = 706,165.20

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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.