Home / 750,800.20-1,126,200.30-700,608.55

Finding the Fourth Proportional to 750,800.20, 1,126,200.30 and 700,608.55

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Solution

The fourth proportional to 750,800.20, 1,126,200.30 and 700,608.55 is: 1,050,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,800.20 : 1,126,200.30 = 700,608.55 : x
  2. Step 2: Convert to fraction form
    750,800.20/1,126,200.30 = 700,608.55/x
  3. Step 3: Cross multiply
    750,800.20x = 1,126,200.30 × 700,608.55
  4. Step 4: Simplify right side
    750,800.20x = 789,025,559,192.57
  5. Step 5: Solve for x
    x = 789,025,559,192.57/750,800.20
  6. Step 6: Final answer
    x = 1,050,912.83

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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.