Home / 881,659.59-1,215,563.88-571,013.31

Finding the Fourth Proportional to 881,659.59, 1,215,563.88 and 571,013.31

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Solution

The fourth proportional to 881,659.59, 1,215,563.88 and 571,013.31 is: 787,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,659.59 : 1,215,563.88 = 571,013.31 : x
  2. Step 2: Convert to fraction form
    881,659.59/1,215,563.88 = 571,013.31/x
  3. Step 3: Cross multiply
    881,659.59x = 1,215,563.88 × 571,013.31
  4. Step 4: Simplify right side
    881,659.59x = 694,103,154,635.24
  5. Step 5: Solve for x
    x = 694,103,154,635.24/881,659.59
  6. Step 6: Final answer
    x = 787,268.88

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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.