Home / 836,419.96-1,154,264.34-454,449.88

Finding the Fourth Proportional to 836,419.96, 1,154,264.34 and 454,449.88

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Solution

The fourth proportional to 836,419.96, 1,154,264.34 and 454,449.88 is: 627,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,419.96 : 1,154,264.34 = 454,449.88 : x
  2. Step 2: Convert to fraction form
    836,419.96/1,154,264.34 = 454,449.88/x
  3. Step 3: Cross multiply
    836,419.96x = 1,154,264.34 × 454,449.88
  4. Step 4: Simplify right side
    836,419.96x = 524,555,290,801.28
  5. Step 5: Solve for x
    x = 524,555,290,801.28/836,419.96
  6. Step 6: Final answer
    x = 627,143.44

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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.