Home / 834,903.40-1,253,046.30-386,314.60

Finding the Fourth Proportional to 834,903.40, 1,253,046.30 and 386,314.60

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Solution

The fourth proportional to 834,903.40, 1,253,046.30 and 386,314.60 is: 579,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,903.40 : 1,253,046.30 = 386,314.60 : x
  2. Step 2: Convert to fraction form
    834,903.40/1,253,046.30 = 386,314.60/x
  3. Step 3: Cross multiply
    834,903.40x = 1,253,046.30 × 386,314.60
  4. Step 4: Simplify right side
    834,903.40x = 484,070,080,165.98
  5. Step 5: Solve for x
    x = 484,070,080,165.98/834,903.40
  6. Step 6: Final answer
    x = 579,791.72

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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.