Home / 460,727.12-636,127.61-323,198.43

Finding the Fourth Proportional to 460,727.12, 636,127.61 and 323,198.43

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Solution

The fourth proportional to 460,727.12, 636,127.61 and 323,198.43 is: 446,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,727.12 : 636,127.61 = 323,198.43 : x
  2. Step 2: Convert to fraction form
    460,727.12/636,127.61 = 323,198.43/x
  3. Step 3: Cross multiply
    460,727.12x = 636,127.61 × 323,198.43
  4. Step 4: Simplify right side
    460,727.12x = 205,595,443,215.66
  5. Step 5: Solve for x
    x = 205,595,443,215.66/460,727.12
  6. Step 6: Final answer
    x = 446,241.25

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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.