Home / 452,979.27-679,433.57-263,318.66

Finding the Fourth Proportional to 452,979.27, 679,433.57 and 263,318.66

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Solution

The fourth proportional to 452,979.27, 679,433.57 and 263,318.66 is: 394,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,979.27 : 679,433.57 = 263,318.66 : x
  2. Step 2: Convert to fraction form
    452,979.27/679,433.57 = 263,318.66/x
  3. Step 3: Cross multiply
    452,979.27x = 679,433.57 × 263,318.66
  4. Step 4: Simplify right side
    452,979.27x = 178,907,538,580.85
  5. Step 5: Solve for x
    x = 178,907,538,580.85/452,979.27
  6. Step 6: Final answer
    x = 394,957.45

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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.