Home / 725,656.72-1,088,085.72-270,017.68

Finding the Fourth Proportional to 725,656.72, 1,088,085.72 and 270,017.68

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Solution

The fourth proportional to 725,656.72, 1,088,085.72 and 270,017.68 is: 404,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,656.72 : 1,088,085.72 = 270,017.68 : x
  2. Step 2: Convert to fraction form
    725,656.72/1,088,085.72 = 270,017.68/x
  3. Step 3: Cross multiply
    725,656.72x = 1,088,085.72 × 270,017.68
  4. Step 4: Simplify right side
    725,656.72x = 293,802,381,755.53
  5. Step 5: Solve for x
    x = 293,802,381,755.53/725,656.72
  6. Step 6: Final answer
    x = 404,877.92

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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.