Home / 752,861.20-1,129,436.40-303,627.52

Finding the Fourth Proportional to 752,861.20, 1,129,436.40 and 303,627.52

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Solution

The fourth proportional to 752,861.20, 1,129,436.40 and 303,627.52 is: 455,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,861.20 : 1,129,436.40 = 303,627.52 : x
  2. Step 2: Convert to fraction form
    752,861.20/1,129,436.40 = 303,627.52/x
  3. Step 3: Cross multiply
    752,861.20x = 1,129,436.40 × 303,627.52
  4. Step 4: Simplify right side
    752,861.20x = 342,927,973,129.73
  5. Step 5: Solve for x
    x = 342,927,973,129.73/752,861.20
  6. Step 6: Final answer
    x = 455,499.60

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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.