Home / 772,229.80-1,158,344.70-744,236.20

Finding the Fourth Proportional to 772,229.80, 1,158,344.70 and 744,236.20

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Solution

The fourth proportional to 772,229.80, 1,158,344.70 and 744,236.20 is: 1,116,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,229.80 : 1,158,344.70 = 744,236.20 : x
  2. Step 2: Convert to fraction form
    772,229.80/1,158,344.70 = 744,236.20/x
  3. Step 3: Cross multiply
    772,229.80x = 1,158,344.70 × 744,236.20
  4. Step 4: Simplify right side
    772,229.80x = 862,082,057,818.14
  5. Step 5: Solve for x
    x = 862,082,057,818.14/772,229.80
  6. Step 6: Final answer
    x = 1,116,354.30

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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.