Home / 727,062.64-1,002,693.24-455,155.30

Finding the Fourth Proportional to 727,062.64, 1,002,693.24 and 455,155.30

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Solution

The fourth proportional to 727,062.64, 1,002,693.24 and 455,155.30 is: 627,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,062.64 : 1,002,693.24 = 455,155.30 : x
  2. Step 2: Convert to fraction form
    727,062.64/1,002,693.24 = 455,155.30/x
  3. Step 3: Cross multiply
    727,062.64x = 1,002,693.24 × 455,155.30
  4. Step 4: Simplify right side
    727,062.64x = 456,381,142,460.17
  5. Step 5: Solve for x
    x = 456,381,142,460.17/727,062.64
  6. Step 6: Final answer
    x = 627,705.40

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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.