Home / 752,862.20-1,129,437.90-303,628.52

Finding the Fourth Proportional to 752,862.20, 1,129,437.90 and 303,628.52

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Solution

The fourth proportional to 752,862.20, 1,129,437.90 and 303,628.52 is: 455,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,862.20 : 1,129,437.90 = 303,628.52 : x
  2. Step 2: Convert to fraction form
    752,862.20/1,129,437.90 = 303,628.52/x
  3. Step 3: Cross multiply
    752,862.20x = 1,129,437.90 × 303,628.52
  4. Step 4: Simplify right side
    752,862.20x = 342,929,558,008.91
  5. Step 5: Solve for x
    x = 342,929,558,008.91/752,862.20
  6. Step 6: Final answer
    x = 455,501.10

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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.