Home / 724,510.90-1,086,770.09-424,781.29

Finding the Fourth Proportional to 724,510.90, 1,086,770.09 and 424,781.29

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Solution

The fourth proportional to 724,510.90, 1,086,770.09 and 424,781.29 is: 637,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,510.90 : 1,086,770.09 = 424,781.29 : x
  2. Step 2: Convert to fraction form
    724,510.90/1,086,770.09 = 424,781.29/x
  3. Step 3: Cross multiply
    724,510.90x = 1,086,770.09 × 424,781.29
  4. Step 4: Simplify right side
    724,510.90x = 461,639,595,329.77
  5. Step 5: Solve for x
    x = 461,639,595,329.77/724,510.90
  6. Step 6: Final answer
    x = 637,174.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.