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Finding the Fourth Proportional to 602,354.30, 831,291.12 and 344,269.28

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Solution

The fourth proportional to 602,354.30, 831,291.12 and 344,269.28 is: 475,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,354.30 : 831,291.12 = 344,269.28 : x
  2. Step 2: Convert to fraction form
    602,354.30/831,291.12 = 344,269.28/x
  3. Step 3: Cross multiply
    602,354.30x = 831,291.12 × 344,269.28
  4. Step 4: Simplify right side
    602,354.30x = 286,187,995,352.79
  5. Step 5: Solve for x
    x = 286,187,995,352.79/602,354.30
  6. Step 6: Final answer
    x = 475,115.72

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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.