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Finding the Fourth Proportional to 550,712.70, 826,238.15 and 262,891.59

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Solution

The fourth proportional to 550,712.70, 826,238.15 and 262,891.59 is: 394,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,712.70 : 826,238.15 = 262,891.59 : x
  2. Step 2: Convert to fraction form
    550,712.70/826,238.15 = 262,891.59/x
  3. Step 3: Cross multiply
    550,712.70x = 826,238.15 × 262,891.59
  4. Step 4: Simplify right side
    550,712.70x = 217,211,059,657.70
  5. Step 5: Solve for x
    x = 217,211,059,657.70/550,712.70
  6. Step 6: Final answer
    x = 394,418.11

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1.5x scale

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.