Home / 880,377.18-1,320,079.15-272,997.06

Finding the Fourth Proportional to 880,377.18, 1,320,079.15 and 272,997.06

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Solution

The fourth proportional to 880,377.18, 1,320,079.15 and 272,997.06 is: 409,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,377.18 : 1,320,079.15 = 272,997.06 : x
  2. Step 2: Convert to fraction form
    880,377.18/1,320,079.15 = 272,997.06/x
  3. Step 3: Cross multiply
    880,377.18x = 1,320,079.15 × 272,997.06
  4. Step 4: Simplify right side
    880,377.18x = 360,377,726,917.30
  5. Step 5: Solve for x
    x = 360,377,726,917.30/880,377.18
  6. Step 6: Final answer
    x = 409,344.69

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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.