Home / 724,711.26-1,000,193.82-438,233.40

Finding the Fourth Proportional to 724,711.26, 1,000,193.82 and 438,233.40

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Solution

The fourth proportional to 724,711.26, 1,000,193.82 and 438,233.40 is: 604,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,711.26 : 1,000,193.82 = 438,233.40 : x
  2. Step 2: Convert to fraction form
    724,711.26/1,000,193.82 = 438,233.40/x
  3. Step 3: Cross multiply
    724,711.26x = 1,000,193.82 × 438,233.40
  4. Step 4: Simplify right side
    724,711.26x = 438,318,338,397.59
  5. Step 5: Solve for x
    x = 438,318,338,397.59/724,711.26
  6. Step 6: Final answer
    x = 604,817.89

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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.