Home / 841,872.23-1,262,819.30-280,906.73

Finding the Fourth Proportional to 841,872.23, 1,262,819.30 and 280,906.73

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Solution

The fourth proportional to 841,872.23, 1,262,819.30 and 280,906.73 is: 421,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,872.23 : 1,262,819.30 = 280,906.73 : x
  2. Step 2: Convert to fraction form
    841,872.23/1,262,819.30 = 280,906.73/x
  3. Step 3: Cross multiply
    841,872.23x = 1,262,819.30 × 280,906.73
  4. Step 4: Simplify right side
    841,872.23x = 354,734,444,264.19
  5. Step 5: Solve for x
    x = 354,734,444,264.19/841,872.23
  6. Step 6: Final answer
    x = 421,363.75

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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.