Home / 560,719.65-773,766.09-318,979.47

Finding the Fourth Proportional to 560,719.65, 773,766.09 and 318,979.47

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Solution

The fourth proportional to 560,719.65, 773,766.09 and 318,979.47 is: 440,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,719.65 : 773,766.09 = 318,979.47 : x
  2. Step 2: Convert to fraction form
    560,719.65/773,766.09 = 318,979.47/x
  3. Step 3: Cross multiply
    560,719.65x = 773,766.09 × 318,979.47
  4. Step 4: Simplify right side
    560,719.65x = 246,815,497,292.17
  5. Step 5: Solve for x
    x = 246,815,497,292.17/560,719.65
  6. Step 6: Final answer
    x = 440,176.29

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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.