Home / 724,635.10-1,086,380.98-457,833.25

Finding the Fourth Proportional to 724,635.10, 1,086,380.98 and 457,833.25

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Solution

The fourth proportional to 724,635.10, 1,086,380.98 and 457,833.25 is: 686,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,635.10 : 1,086,380.98 = 457,833.25 : x
  2. Step 2: Convert to fraction form
    724,635.10/1,086,380.98 = 457,833.25/x
  3. Step 3: Cross multiply
    724,635.10x = 1,086,380.98 × 457,833.25
  4. Step 4: Simplify right side
    724,635.10x = 497,381,334,811.59
  5. Step 5: Solve for x
    x = 497,381,334,811.59/724,635.10
  6. Step 6: Final answer
    x = 686,388.69

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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.