Home / 815,532.71-1,223,449.65-268,456.04

Finding the Fourth Proportional to 815,532.71, 1,223,449.65 and 268,456.04

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Solution

The fourth proportional to 815,532.71, 1,223,449.65 and 268,456.04 is: 402,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,532.71 : 1,223,449.65 = 268,456.04 : x
  2. Step 2: Convert to fraction form
    815,532.71/1,223,449.65 = 268,456.04/x
  3. Step 3: Cross multiply
    815,532.71x = 1,223,449.65 × 268,456.04
  4. Step 4: Simplify right side
    815,532.71x = 328,442,448,178.39
  5. Step 5: Solve for x
    x = 328,442,448,178.39/815,532.71
  6. Step 6: Final answer
    x = 402,733.63

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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.