Home / 898,306.40-1,347,459.60-449,096.60

Finding the Fourth Proportional to 898,306.40, 1,347,459.60 and 449,096.60

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Solution

The fourth proportional to 898,306.40, 1,347,459.60 and 449,096.60 is: 673,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,306.40 : 1,347,459.60 = 449,096.60 : x
  2. Step 2: Convert to fraction form
    898,306.40/1,347,459.60 = 449,096.60/x
  3. Step 3: Cross multiply
    898,306.40x = 1,347,459.60 × 449,096.60
  4. Step 4: Simplify right side
    898,306.40x = 605,139,524,997.36
  5. Step 5: Solve for x
    x = 605,139,524,997.36/898,306.40
  6. Step 6: Final answer
    x = 673,644.90

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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.