Home / 733,708.20-1,100,562.30-521,131.80

Finding the Fourth Proportional to 733,708.20, 1,100,562.30 and 521,131.80

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Solution

The fourth proportional to 733,708.20, 1,100,562.30 and 521,131.80 is: 781,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,708.20 : 1,100,562.30 = 521,131.80 : x
  2. Step 2: Convert to fraction form
    733,708.20/1,100,562.30 = 521,131.80/x
  3. Step 3: Cross multiply
    733,708.20x = 1,100,562.30 × 521,131.80
  4. Step 4: Simplify right side
    733,708.20x = 573,538,012,411.14
  5. Step 5: Solve for x
    x = 573,538,012,411.14/733,708.20
  6. Step 6: Final answer
    x = 781,697.70

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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.