Home / 746,836.20-1,120,254.30-615,616.20

Finding the Fourth Proportional to 746,836.20, 1,120,254.30 and 615,616.20

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Solution

The fourth proportional to 746,836.20, 1,120,254.30 and 615,616.20 is: 923,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,836.20 : 1,120,254.30 = 615,616.20 : x
  2. Step 2: Convert to fraction form
    746,836.20/1,120,254.30 = 615,616.20/x
  3. Step 3: Cross multiply
    746,836.20x = 1,120,254.30 × 615,616.20
  4. Step 4: Simplify right side
    746,836.20x = 689,646,695,199.66
  5. Step 5: Solve for x
    x = 689,646,695,199.66/746,836.20
  6. Step 6: Final answer
    x = 923,424.30

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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.