Home / 750,267.88-1,125,512.54-217,719.72

Finding the Fourth Proportional to 750,267.88, 1,125,512.54 and 217,719.72

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Solution

The fourth proportional to 750,267.88, 1,125,512.54 and 217,719.72 is: 326,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,267.88 : 1,125,512.54 = 217,719.72 : x
  2. Step 2: Convert to fraction form
    750,267.88/1,125,512.54 = 217,719.72/x
  3. Step 3: Cross multiply
    750,267.88x = 1,125,512.54 × 217,719.72
  4. Step 4: Simplify right side
    750,267.88x = 245,046,275,065.29
  5. Step 5: Solve for x
    x = 245,046,275,065.29/750,267.88
  6. Step 6: Final answer
    x = 326,611.71

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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.