Home / 727,058.64-1,002,687.72-455,151.30

Finding the Fourth Proportional to 727,058.64, 1,002,687.72 and 455,151.30

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Solution

The fourth proportional to 727,058.64, 1,002,687.72 and 455,151.30 is: 627,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,058.64 : 1,002,687.72 = 455,151.30 : x
  2. Step 2: Convert to fraction form
    727,058.64/1,002,687.72 = 455,151.30/x
  3. Step 3: Cross multiply
    727,058.64x = 1,002,687.72 × 455,151.30
  4. Step 4: Simplify right side
    727,058.64x = 456,374,619,252.04
  5. Step 5: Solve for x
    x = 456,374,619,252.04/727,058.64
  6. Step 6: Final answer
    x = 627,699.88

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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.