Home / 691,844.60-1,037,766.90-243,072.20

Finding the Fourth Proportional to 691,844.60, 1,037,766.90 and 243,072.20

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Solution

The fourth proportional to 691,844.60, 1,037,766.90 and 243,072.20 is: 364,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,844.60 : 1,037,766.90 = 243,072.20 : x
  2. Step 2: Convert to fraction form
    691,844.60/1,037,766.90 = 243,072.20/x
  3. Step 3: Cross multiply
    691,844.60x = 1,037,766.90 × 243,072.20
  4. Step 4: Simplify right side
    691,844.60x = 252,252,283,470.18
  5. Step 5: Solve for x
    x = 252,252,283,470.18/691,844.60
  6. Step 6: Final answer
    x = 364,608.30

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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.