Home / 748,735.52-1,033,304.88-422,129.12

Finding the Fourth Proportional to 748,735.52, 1,033,304.88 and 422,129.12

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Solution

The fourth proportional to 748,735.52, 1,033,304.88 and 422,129.12 is: 582,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,735.52 : 1,033,304.88 = 422,129.12 : x
  2. Step 2: Convert to fraction form
    748,735.52/1,033,304.88 = 422,129.12/x
  3. Step 3: Cross multiply
    748,735.52x = 1,033,304.88 × 422,129.12
  4. Step 4: Simplify right side
    748,735.52x = 436,188,079,686.11
  5. Step 5: Solve for x
    x = 436,188,079,686.11/748,735.52
  6. Step 6: Final answer
    x = 582,566.30

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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.