Home / 754,323.65-1,039,504.91-625,449.20

Finding the Fourth Proportional to 754,323.65, 1,039,504.91 and 625,449.20

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Solution

The fourth proportional to 754,323.65, 1,039,504.91 and 625,449.20 is: 861,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,323.65 : 1,039,504.91 = 625,449.20 : x
  2. Step 2: Convert to fraction form
    754,323.65/1,039,504.91 = 625,449.20/x
  3. Step 3: Cross multiply
    754,323.65x = 1,039,504.91 × 625,449.20
  4. Step 4: Simplify right side
    754,323.65x = 650,157,514,355.57
  5. Step 5: Solve for x
    x = 650,157,514,355.57/754,323.65
  6. Step 6: Final answer
    x = 861,907.91

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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.