Home / 452,948.78-679,034.36-253,105.58

Finding the Fourth Proportional to 452,948.78, 679,034.36 and 253,105.58

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Solution

The fourth proportional to 452,948.78, 679,034.36 and 253,105.58 is: 379,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,948.78 : 679,034.36 = 253,105.58 : x
  2. Step 2: Convert to fraction form
    452,948.78/679,034.36 = 253,105.58/x
  3. Step 3: Cross multiply
    452,948.78x = 679,034.36 × 253,105.58
  4. Step 4: Simplify right side
    452,948.78x = 171,867,385,527.73
  5. Step 5: Solve for x
    x = 171,867,385,527.73/452,948.78
  6. Step 6: Final answer
    x = 379,441.10

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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.