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Finding the Fourth Proportional to 556,092.60, 834,138.90 and 345,622.20

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Solution

The fourth proportional to 556,092.60, 834,138.90 and 345,622.20 is: 518,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,092.60 : 834,138.90 = 345,622.20 : x
  2. Step 2: Convert to fraction form
    556,092.60/834,138.90 = 345,622.20/x
  3. Step 3: Cross multiply
    556,092.60x = 834,138.90 × 345,622.20
  4. Step 4: Simplify right side
    556,092.60x = 288,296,921,723.58
  5. Step 5: Solve for x
    x = 288,296,921,723.58/556,092.60
  6. Step 6: Final answer
    x = 518,433.30

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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.