Home / 724,417.92-1,086,380.78-250,992.78

Finding the Fourth Proportional to 724,417.92, 1,086,380.78 and 250,992.78

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Solution

The fourth proportional to 724,417.92, 1,086,380.78 and 250,992.78 is: 376,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,417.92 : 1,086,380.78 = 250,992.78 : x
  2. Step 2: Convert to fraction form
    724,417.92/1,086,380.78 = 250,992.78/x
  3. Step 3: Cross multiply
    724,417.92x = 1,086,380.78 × 250,992.78
  4. Step 4: Simplify right side
    724,417.92x = 272,673,732,110.77
  5. Step 5: Solve for x
    x = 272,673,732,110.77/724,417.92
  6. Step 6: Final answer
    x = 376,403.90

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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.