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Finding the Fourth Proportional to 548,634.20, 822,951.30 and 174,657.20

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Solution

The fourth proportional to 548,634.20, 822,951.30 and 174,657.20 is: 261,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,634.20 : 822,951.30 = 174,657.20 : x
  2. Step 2: Convert to fraction form
    548,634.20/822,951.30 = 174,657.20/x
  3. Step 3: Cross multiply
    548,634.20x = 822,951.30 × 174,657.20
  4. Step 4: Simplify right side
    548,634.20x = 143,734,369,794.36
  5. Step 5: Solve for x
    x = 143,734,369,794.36/548,634.20
  6. Step 6: Final answer
    x = 261,985.80

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Similar ratio
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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.