Home / 726,039.20-1,087,503.60-474,096.80

Finding the Fourth Proportional to 726,039.20, 1,087,503.60 and 474,096.80

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Solution

The fourth proportional to 726,039.20, 1,087,503.60 and 474,096.80 is: 710,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,039.20 : 1,087,503.60 = 474,096.80 : x
  2. Step 2: Convert to fraction form
    726,039.20/1,087,503.60 = 474,096.80/x
  3. Step 3: Cross multiply
    726,039.20x = 1,087,503.60 × 474,096.80
  4. Step 4: Simplify right side
    726,039.20x = 515,581,976,748.48
  5. Step 5: Solve for x
    x = 515,581,976,748.48/726,039.20
  6. Step 6: Final answer
    x = 710,129.67

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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.