Home / 880,043.40-1,320,053.94-280,996.97

Finding the Fourth Proportional to 880,043.40, 1,320,053.94 and 280,996.97

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Solution

The fourth proportional to 880,043.40, 1,320,053.94 and 280,996.97 is: 421,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,043.40 : 1,320,053.94 = 280,996.97 : x
  2. Step 2: Convert to fraction form
    880,043.40/1,320,053.94 = 280,996.97/x
  3. Step 3: Cross multiply
    880,043.40x = 1,320,053.94 × 280,996.97
  4. Step 4: Simplify right side
    880,043.40x = 370,931,150,776.29
  5. Step 5: Solve for x
    x = 370,931,150,776.29/880,043.40
  6. Step 6: Final answer
    x = 421,491.88

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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.