Home / 650,974.20-976,461.30-414,486.60

Finding the Fourth Proportional to 650,974.20, 976,461.30 and 414,486.60

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Solution

The fourth proportional to 650,974.20, 976,461.30 and 414,486.60 is: 621,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,974.20 : 976,461.30 = 414,486.60 : x
  2. Step 2: Convert to fraction form
    650,974.20/976,461.30 = 414,486.60/x
  3. Step 3: Cross multiply
    650,974.20x = 976,461.30 × 414,486.60
  4. Step 4: Simplify right side
    650,974.20x = 404,730,124,268.58
  5. Step 5: Solve for x
    x = 404,730,124,268.58/650,974.20
  6. Step 6: Final answer
    x = 621,729.90

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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.