Home / 721,471.46-1,082,354.79-248,095.34

Finding the Fourth Proportional to 721,471.46, 1,082,354.79 and 248,095.34

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Solution

The fourth proportional to 721,471.46, 1,082,354.79 and 248,095.34 is: 372,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,471.46 : 1,082,354.79 = 248,095.34 : x
  2. Step 2: Convert to fraction form
    721,471.46/1,082,354.79 = 248,095.34/x
  3. Step 3: Cross multiply
    721,471.46x = 1,082,354.79 × 248,095.34
  4. Step 4: Simplify right side
    721,471.46x = 268,527,179,625.68
  5. Step 5: Solve for x
    x = 268,527,179,625.68/721,471.46
  6. Step 6: Final answer
    x = 372,193.77

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Double scale
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Similar ratio
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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.