Home / 880,387.52-1,320,196.70-311,579.56

Finding the Fourth Proportional to 880,387.52, 1,320,196.70 and 311,579.56

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Solution

The fourth proportional to 880,387.52, 1,320,196.70 and 311,579.56 is: 467,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,387.52 : 1,320,196.70 = 311,579.56 : x
  2. Step 2: Convert to fraction form
    880,387.52/1,320,196.70 = 311,579.56/x
  3. Step 3: Cross multiply
    880,387.52x = 1,320,196.70 × 311,579.56
  4. Step 4: Simplify right side
    880,387.52x = 411,346,306,899.45
  5. Step 5: Solve for x
    x = 411,346,306,899.45/880,387.52
  6. Step 6: Final answer
    x = 467,233.23

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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.