Home / 914,209.20-1,260,984.31-627,231.06

Finding the Fourth Proportional to 914,209.20, 1,260,984.31 and 627,231.06

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Solution

The fourth proportional to 914,209.20, 1,260,984.31 and 627,231.06 is: 865,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,209.20 : 1,260,984.31 = 627,231.06 : x
  2. Step 2: Convert to fraction form
    914,209.20/1,260,984.31 = 627,231.06/x
  3. Step 3: Cross multiply
    914,209.20x = 1,260,984.31 × 627,231.06
  4. Step 4: Simplify right side
    914,209.20x = 790,928,523,836.59
  5. Step 5: Solve for x
    x = 790,928,523,836.59/914,209.20
  6. Step 6: Final answer
    x = 865,150.48

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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.