Home / 725,706.13-1,088,184.16-326,005.15

Finding the Fourth Proportional to 725,706.13, 1,088,184.16 and 326,005.15

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Solution

The fourth proportional to 725,706.13, 1,088,184.16 and 326,005.15 is: 488,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,706.13 : 1,088,184.16 = 326,005.15 : x
  2. Step 2: Convert to fraction form
    725,706.13/1,088,184.16 = 326,005.15/x
  3. Step 3: Cross multiply
    725,706.13x = 1,088,184.16 × 326,005.15
  4. Step 4: Simplify right side
    725,706.13x = 354,753,640,308.42
  5. Step 5: Solve for x
    x = 354,753,640,308.42/725,706.13
  6. Step 6: Final answer
    x = 488,839.25

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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.