Home / 752,538.30-1,128,327.10-496,074.88

Finding the Fourth Proportional to 752,538.30, 1,128,327.10 and 496,074.88

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Solution

The fourth proportional to 752,538.30, 1,128,327.10 and 496,074.88 is: 743,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,538.30 : 1,128,327.10 = 496,074.88 : x
  2. Step 2: Convert to fraction form
    752,538.30/1,128,327.10 = 496,074.88/x
  3. Step 3: Cross multiply
    752,538.30x = 1,128,327.10 × 496,074.88
  4. Step 4: Simplify right side
    752,538.30x = 559,734,730,903.47
  5. Step 5: Solve for x
    x = 559,734,730,903.47/752,538.30
  6. Step 6: Final answer
    x = 743,795.68

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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.