Home / 752,834.10-1,038,912.79-413,324.22

Finding the Fourth Proportional to 752,834.10, 1,038,912.79 and 413,324.22

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Solution

The fourth proportional to 752,834.10, 1,038,912.79 and 413,324.22 is: 570,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,834.10 : 1,038,912.79 = 413,324.22 : x
  2. Step 2: Convert to fraction form
    752,834.10/1,038,912.79 = 413,324.22/x
  3. Step 3: Cross multiply
    752,834.10x = 1,038,912.79 × 413,324.22
  4. Step 4: Simplify right side
    752,834.10x = 429,407,818,574.77
  5. Step 5: Solve for x
    x = 429,407,818,574.77/752,834.10
  6. Step 6: Final answer
    x = 570,388.37

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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.