Home / 865,674.29-1,298,511.76-225,976.23

Finding the Fourth Proportional to 865,674.29, 1,298,511.76 and 225,976.23

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Solution

The fourth proportional to 865,674.29, 1,298,511.76 and 225,976.23 is: 338,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,674.29 : 1,298,511.76 = 225,976.23 : x
  2. Step 2: Convert to fraction form
    865,674.29/1,298,511.76 = 225,976.23/x
  3. Step 3: Cross multiply
    865,674.29x = 1,298,511.76 × 225,976.23
  4. Step 4: Simplify right side
    865,674.29x = 293,432,791,994.23
  5. Step 5: Solve for x
    x = 293,432,791,994.23/865,674.29
  6. Step 6: Final answer
    x = 338,964.43

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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.