Home / 752,945.92-1,039,066.95-408,782.28

Finding the Fourth Proportional to 752,945.92, 1,039,066.95 and 408,782.28

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Solution

The fourth proportional to 752,945.92, 1,039,066.95 and 408,782.28 is: 564,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,945.92 : 1,039,066.95 = 408,782.28 : x
  2. Step 2: Convert to fraction form
    752,945.92/1,039,066.95 = 408,782.28/x
  3. Step 3: Cross multiply
    752,945.92x = 1,039,066.95 × 408,782.28
  4. Step 4: Simplify right side
    752,945.92x = 424,752,156,893.65
  5. Step 5: Solve for x
    x = 424,752,156,893.65/752,945.92
  6. Step 6: Final answer
    x = 564,120.40

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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.