Home / 712,813.20-1,067,729.40-334,057.20

Finding the Fourth Proportional to 712,813.20, 1,067,729.40 and 334,057.20

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Solution

The fourth proportional to 712,813.20, 1,067,729.40 and 334,057.20 is: 500,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,813.20 : 1,067,729.40 = 334,057.20 : x
  2. Step 2: Convert to fraction form
    712,813.20/1,067,729.40 = 334,057.20/x
  3. Step 3: Cross multiply
    712,813.20x = 1,067,729.40 × 334,057.20
  4. Step 4: Simplify right side
    712,813.20x = 356,682,693,721.68
  5. Step 5: Solve for x
    x = 356,682,693,721.68/712,813.20
  6. Step 6: Final answer
    x = 500,387.33

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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.