Home / 485,876.04-670,538.97-268,083.65

Finding the Fourth Proportional to 485,876.04, 670,538.97 and 268,083.65

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Solution

The fourth proportional to 485,876.04, 670,538.97 and 268,083.65 is: 369,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,876.04 : 670,538.97 = 268,083.65 : x
  2. Step 2: Convert to fraction form
    485,876.04/670,538.97 = 268,083.65/x
  3. Step 3: Cross multiply
    485,876.04x = 670,538.97 × 268,083.65
  4. Step 4: Simplify right side
    485,876.04x = 179,760,531,192.15
  5. Step 5: Solve for x
    x = 179,760,531,192.15/485,876.04
  6. Step 6: Final answer
    x = 369,972.00

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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.