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Finding the Fourth Proportional to 629,597.98, 868,845.85 and 343,118.29

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Solution

The fourth proportional to 629,597.98, 868,845.85 and 343,118.29 is: 473,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,597.98 : 868,845.85 = 343,118.29 : x
  2. Step 2: Convert to fraction form
    629,597.98/868,845.85 = 343,118.29/x
  3. Step 3: Cross multiply
    629,597.98x = 868,845.85 × 343,118.29
  4. Step 4: Simplify right side
    629,597.98x = 298,116,897,981.37
  5. Step 5: Solve for x
    x = 298,116,897,981.37/629,597.98
  6. Step 6: Final answer
    x = 473,503.58

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1.5x scale

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.