Home / 724,471.06-1,086,671.50-275,156.86

Finding the Fourth Proportional to 724,471.06, 1,086,671.50 and 275,156.86

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Solution

The fourth proportional to 724,471.06, 1,086,671.50 and 275,156.86 is: 412,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,471.06 : 1,086,671.50 = 275,156.86 : x
  2. Step 2: Convert to fraction form
    724,471.06/1,086,671.50 = 275,156.86/x
  3. Step 3: Cross multiply
    724,471.06x = 1,086,671.50 × 275,156.86
  4. Step 4: Simplify right side
    724,471.06x = 299,005,117,791.49
  5. Step 5: Solve for x
    x = 299,005,117,791.49/724,471.06
  6. Step 6: Final answer
    x = 412,721.96

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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.