Home / 828,836.26-1,243,250.28-716,171.58

Finding the Fourth Proportional to 828,836.26, 1,243,250.28 and 716,171.58

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Solution

The fourth proportional to 828,836.26, 1,243,250.28 and 716,171.58 is: 1,074,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,836.26 : 1,243,250.28 = 716,171.58 : x
  2. Step 2: Convert to fraction form
    828,836.26/1,243,250.28 = 716,171.58/x
  3. Step 3: Cross multiply
    828,836.26x = 1,243,250.28 × 716,171.58
  4. Step 4: Simplify right side
    828,836.26x = 890,380,517,363.04
  5. Step 5: Solve for x
    x = 890,380,517,363.04/828,836.26
  6. Step 6: Final answer
    x = 1,074,253.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.