Home / 724,814.88-1,000,217.15-402,545.73

Finding the Fourth Proportional to 724,814.88, 1,000,217.15 and 402,545.73

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Solution

The fourth proportional to 724,814.88, 1,000,217.15 and 402,545.73 is: 555,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,814.88 : 1,000,217.15 = 402,545.73 : x
  2. Step 2: Convert to fraction form
    724,814.88/1,000,217.15 = 402,545.73/x
  3. Step 3: Cross multiply
    724,814.88x = 1,000,217.15 × 402,545.73
  4. Step 4: Simplify right side
    724,814.88x = 402,633,140,792.54
  5. Step 5: Solve for x
    x = 402,633,140,792.54/724,814.88
  6. Step 6: Final answer
    x = 555,497.90

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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.