Home / 724,400.60-1,086,600.90-719,151.80

Finding the Fourth Proportional to 724,400.60, 1,086,600.90 and 719,151.80

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Solution

The fourth proportional to 724,400.60, 1,086,600.90 and 719,151.80 is: 1,078,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,400.60 : 1,086,600.90 = 719,151.80 : x
  2. Step 2: Convert to fraction form
    724,400.60/1,086,600.90 = 719,151.80/x
  3. Step 3: Cross multiply
    724,400.60x = 1,086,600.90 × 719,151.80
  4. Step 4: Simplify right side
    724,400.60x = 781,430,993,116.62
  5. Step 5: Solve for x
    x = 781,430,993,116.62/724,400.60
  6. Step 6: Final answer
    x = 1,078,727.70

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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.