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Finding the Fourth Proportional to 629,374.92, 868,537.48 and 342,895

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Solution

The fourth proportional to 629,374.92, 868,537.48 and 342,895 is: 473,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,374.92 : 868,537.48 = 342,895 : x
  2. Step 2: Convert to fraction form
    629,374.92/868,537.48 = 342,895/x
  3. Step 3: Cross multiply
    629,374.92x = 868,537.48 × 342,895
  4. Step 4: Simplify right side
    629,374.92x = 297,817,159,204.60
  5. Step 5: Solve for x
    x = 297,817,159,204.60/629,374.92
  6. Step 6: Final answer
    x = 473,195.15

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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.