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Finding the Fourth Proportional to 629,304.26, 868,502.57 and 384,275.48

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Solution

The fourth proportional to 629,304.26, 868,502.57 and 384,275.48 is: 530,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,304.26 : 868,502.57 = 384,275.48 : x
  2. Step 2: Convert to fraction form
    629,304.26/868,502.57 = 384,275.48/x
  3. Step 3: Cross multiply
    629,304.26x = 868,502.57 × 384,275.48
  4. Step 4: Simplify right side
    629,304.26x = 333,744,235,704.09
  5. Step 5: Solve for x
    x = 333,744,235,704.09/629,304.26
  6. Step 6: Final answer
    x = 530,338.44

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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.