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Finding the Fourth Proportional to 491,679.80, 735,770.10 and 341,214.20

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Solution

The fourth proportional to 491,679.80, 735,770.10 and 341,214.20 is: 510,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,679.80 : 735,770.10 = 341,214.20 : x
  2. Step 2: Convert to fraction form
    491,679.80/735,770.10 = 341,214.20/x
  3. Step 3: Cross multiply
    491,679.80x = 735,770.10 × 341,214.20
  4. Step 4: Simplify right side
    491,679.80x = 251,055,206,055.42
  5. Step 5: Solve for x
    x = 251,055,206,055.42/491,679.80
  6. Step 6: Final answer
    x = 510,607.12

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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.