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Finding the Fourth Proportional to 602,737.40, 831,717.02 and 361,013.76

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Solution

The fourth proportional to 602,737.40, 831,717.02 and 361,013.76 is: 498,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,737.40 : 831,717.02 = 361,013.76 : x
  2. Step 2: Convert to fraction form
    602,737.40/831,717.02 = 361,013.76/x
  3. Step 3: Cross multiply
    602,737.40x = 831,717.02 × 361,013.76
  4. Step 4: Simplify right side
    602,737.40x = 300,261,286,841.13
  5. Step 5: Solve for x
    x = 300,261,286,841.13/602,737.40
  6. Step 6: Final answer
    x = 498,162.70

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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.