Home / 880,376.66-1,320,180.44-311,568.80

Finding the Fourth Proportional to 880,376.66, 1,320,180.44 and 311,568.80

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Solution

The fourth proportional to 880,376.66, 1,320,180.44 and 311,568.80 is: 467,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,376.66 : 1,320,180.44 = 311,568.80 : x
  2. Step 2: Convert to fraction form
    880,376.66/1,320,180.44 = 311,568.80/x
  3. Step 3: Cross multiply
    880,376.66x = 1,320,180.44 × 311,568.80
  4. Step 4: Simplify right side
    880,376.66x = 411,327,029,068.10
  5. Step 5: Solve for x
    x = 411,327,029,068.10/880,376.66
  6. Step 6: Final answer
    x = 467,217.10

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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.