Home / 453,176.10-679,982.85-319,769.10

Finding the Fourth Proportional to 453,176.10, 679,982.85 and 319,769.10

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Solution

The fourth proportional to 453,176.10, 679,982.85 and 319,769.10 is: 479,807.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,176.10 : 679,982.85 = 319,769.10 : x
  2. Step 2: Convert to fraction form
    453,176.10/679,982.85 = 319,769.10/x
  3. Step 3: Cross multiply
    453,176.10x = 679,982.85 × 319,769.10
  4. Step 4: Simplify right side
    453,176.10x = 217,437,503,959.94
  5. Step 5: Solve for x
    x = 217,437,503,959.94/453,176.10
  6. Step 6: Final answer
    x = 479,807.97

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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.