Home / 976,797.40-1,465,196.10-408,080.20

Finding the Fourth Proportional to 976,797.40, 1,465,196.10 and 408,080.20

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Solution

The fourth proportional to 976,797.40, 1,465,196.10 and 408,080.20 is: 612,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,797.40 : 1,465,196.10 = 408,080.20 : x
  2. Step 2: Convert to fraction form
    976,797.40/1,465,196.10 = 408,080.20/x
  3. Step 3: Cross multiply
    976,797.40x = 1,465,196.10 × 408,080.20
  4. Step 4: Simplify right side
    976,797.40x = 597,917,517,527.22
  5. Step 5: Solve for x
    x = 597,917,517,527.22/976,797.40
  6. Step 6: Final answer
    x = 612,120.30

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Double scale
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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.