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Finding the Fourth Proportional to 629,377.88, 868,541.55 and 342,897.96

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Solution

The fourth proportional to 629,377.88, 868,541.55 and 342,897.96 is: 473,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,377.88 : 868,541.55 = 342,897.96 : x
  2. Step 2: Convert to fraction form
    629,377.88/868,541.55 = 342,897.96/x
  3. Step 3: Cross multiply
    629,377.88x = 868,541.55 × 342,897.96
  4. Step 4: Simplify right side
    629,377.88x = 297,821,125,670.24
  5. Step 5: Solve for x
    x = 297,821,125,670.24/629,377.88
  6. Step 6: Final answer
    x = 473,199.23

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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.