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Finding the Fourth Proportional to 629,480.48, 868,671.84 and 343,003.04

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Solution

The fourth proportional to 629,480.48, 868,671.84 and 343,003.04 is: 473,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,480.48 : 868,671.84 = 343,003.04 : x
  2. Step 2: Convert to fraction form
    629,480.48/868,671.84 = 343,003.04/x
  3. Step 3: Cross multiply
    629,480.48x = 868,671.84 × 343,003.04
  4. Step 4: Simplify right side
    629,480.48x = 297,957,081,882.39
  5. Step 5: Solve for x
    x = 297,957,081,882.39/629,480.48
  6. Step 6: Final answer
    x = 473,338.08

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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.