Home / 729,209.40-1,093,814.10-662,724.60

Finding the Fourth Proportional to 729,209.40, 1,093,814.10 and 662,724.60

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Solution

The fourth proportional to 729,209.40, 1,093,814.10 and 662,724.60 is: 994,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,209.40 : 1,093,814.10 = 662,724.60 : x
  2. Step 2: Convert to fraction form
    729,209.40/1,093,814.10 = 662,724.60/x
  3. Step 3: Cross multiply
    729,209.40x = 1,093,814.10 × 662,724.60
  4. Step 4: Simplify right side
    729,209.40x = 724,897,511,896.86
  5. Step 5: Solve for x
    x = 724,897,511,896.86/729,209.40
  6. Step 6: Final answer
    x = 994,086.90

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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.