Home / 787,355.23-1,179,257.20-365,743.87

Finding the Fourth Proportional to 787,355.23, 1,179,257.20 and 365,743.87

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Solution

The fourth proportional to 787,355.23, 1,179,257.20 and 365,743.87 is: 547,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,355.23 : 1,179,257.20 = 365,743.87 : x
  2. Step 2: Convert to fraction form
    787,355.23/1,179,257.20 = 365,743.87/x
  3. Step 3: Cross multiply
    787,355.23x = 1,179,257.20 × 365,743.87
  4. Step 4: Simplify right side
    787,355.23x = 431,306,092,053.36
  5. Step 5: Solve for x
    x = 431,306,092,053.36/787,355.23
  6. Step 6: Final answer
    x = 547,790.98

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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.