Home / 752,697.31-1,038,691.86-451,057.63

Finding the Fourth Proportional to 752,697.31, 1,038,691.86 and 451,057.63

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Solution

The fourth proportional to 752,697.31, 1,038,691.86 and 451,057.63 is: 622,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,697.31 : 1,038,691.86 = 451,057.63 : x
  2. Step 2: Convert to fraction form
    752,697.31/1,038,691.86 = 451,057.63/x
  3. Step 3: Cross multiply
    752,697.31x = 1,038,691.86 × 451,057.63
  4. Step 4: Simplify right side
    752,697.31x = 468,509,888,671.89
  5. Step 5: Solve for x
    x = 468,509,888,671.89/752,697.31
  6. Step 6: Final answer
    x = 622,441.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.