Home / 754,324.65-1,039,506.29-625,450.20

Finding the Fourth Proportional to 754,324.65, 1,039,506.29 and 625,450.20

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Solution

The fourth proportional to 754,324.65, 1,039,506.29 and 625,450.20 is: 861,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,324.65 : 1,039,506.29 = 625,450.20 : x
  2. Step 2: Convert to fraction form
    754,324.65/1,039,506.29 = 625,450.20/x
  3. Step 3: Cross multiply
    754,324.65x = 1,039,506.29 × 625,450.20
  4. Step 4: Simplify right side
    754,324.65x = 650,159,416,981.76
  5. Step 5: Solve for x
    x = 650,159,416,981.76/754,324.65
  6. Step 6: Final answer
    x = 861,909.28

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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.