Home / 752,834.26-1,038,918.83-408,672.91

Finding the Fourth Proportional to 752,834.26, 1,038,918.83 and 408,672.91

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Solution

The fourth proportional to 752,834.26, 1,038,918.83 and 408,672.91 is: 563,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,834.26 : 1,038,918.83 = 408,672.91 : x
  2. Step 2: Convert to fraction form
    752,834.26/1,038,918.83 = 408,672.91/x
  3. Step 3: Cross multiply
    752,834.26x = 1,038,918.83 × 408,672.91
  4. Step 4: Simplify right side
    752,834.26x = 424,577,981,509.90
  5. Step 5: Solve for x
    x = 424,577,981,509.90/752,834.26
  6. Step 6: Final answer
    x = 563,972.71

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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.