Home / 752,470.46-1,038,340.67-446,494.12

Finding the Fourth Proportional to 752,470.46, 1,038,340.67 and 446,494.12

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Solution

The fourth proportional to 752,470.46, 1,038,340.67 and 446,494.12 is: 616,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,470.46 : 1,038,340.67 = 446,494.12 : x
  2. Step 2: Convert to fraction form
    752,470.46/1,038,340.67 = 446,494.12/x
  3. Step 3: Cross multiply
    752,470.46x = 1,038,340.67 × 446,494.12
  4. Step 4: Simplify right side
    752,470.46x = 463,613,007,235.73
  5. Step 5: Solve for x
    x = 463,613,007,235.73/752,470.46
  6. Step 6: Final answer
    x = 616,121.21

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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.