Home / 731,792.40-1,098,379.80-451,856.40

Finding the Fourth Proportional to 731,792.40, 1,098,379.80 and 451,856.40

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Solution

The fourth proportional to 731,792.40, 1,098,379.80 and 451,856.40 is: 678,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,792.40 : 1,098,379.80 = 451,856.40 : x
  2. Step 2: Convert to fraction form
    731,792.40/1,098,379.80 = 451,856.40/x
  3. Step 3: Cross multiply
    731,792.40x = 1,098,379.80 × 451,856.40
  4. Step 4: Simplify right side
    731,792.40x = 496,309,942,260.72
  5. Step 5: Solve for x
    x = 496,309,942,260.72/731,792.40
  6. Step 6: Final answer
    x = 678,211.39

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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.