Home / 982,885.70-1,474,327.46-309,025.91

Finding the Fourth Proportional to 982,885.70, 1,474,327.46 and 309,025.91

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Solution

The fourth proportional to 982,885.70, 1,474,327.46 and 309,025.91 is: 463,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,885.70 : 1,474,327.46 = 309,025.91 : x
  2. Step 2: Convert to fraction form
    982,885.70/1,474,327.46 = 309,025.91/x
  3. Step 3: Cross multiply
    982,885.70x = 1,474,327.46 × 309,025.91
  4. Step 4: Simplify right side
    982,885.70x = 455,605,378,365.42
  5. Step 5: Solve for x
    x = 455,605,378,365.42/982,885.70
  6. Step 6: Final answer
    x = 463,538.52

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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.