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Finding the Fourth Proportional to 898,350.70, 1,347,720.45 and 267,328.30

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Solution

The fourth proportional to 898,350.70, 1,347,720.45 and 267,328.30 is: 401,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,350.70 : 1,347,720.45 = 267,328.30 : x
  2. Step 2: Convert to fraction form
    898,350.70/1,347,720.45 = 267,328.30/x
  3. Step 3: Cross multiply
    898,350.70x = 1,347,720.45 × 267,328.30
  4. Step 4: Simplify right side
    898,350.70x = 360,283,816,773.74
  5. Step 5: Solve for x
    x = 360,283,816,773.74/898,350.70
  6. Step 6: Final answer
    x = 401,050.30

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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.