Home / 880,042.90-1,320,053.20-280,996.46

Finding the Fourth Proportional to 880,042.90, 1,320,053.20 and 280,996.46

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Solution

The fourth proportional to 880,042.90, 1,320,053.20 and 280,996.46 is: 421,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,042.90 : 1,320,053.20 = 280,996.46 : x
  2. Step 2: Convert to fraction form
    880,042.90/1,320,053.20 = 280,996.46/x
  3. Step 3: Cross multiply
    880,042.90x = 1,320,053.20 × 280,996.46
  4. Step 4: Simplify right side
    880,042.90x = 370,930,276,211.67
  5. Step 5: Solve for x
    x = 370,930,276,211.67/880,042.90
  6. Step 6: Final answer
    x = 421,491.13

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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.