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Finding the Fourth Proportional to 898,368.70, 1,347,747.45 and 267,346.30

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Solution

The fourth proportional to 898,368.70, 1,347,747.45 and 267,346.30 is: 401,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,368.70 : 1,347,747.45 = 267,346.30 : x
  2. Step 2: Convert to fraction form
    898,368.70/1,347,747.45 = 267,346.30/x
  3. Step 3: Cross multiply
    898,368.70x = 1,347,747.45 × 267,346.30
  4. Step 4: Simplify right side
    898,368.70x = 360,315,294,091.94
  5. Step 5: Solve for x
    x = 360,315,294,091.94/898,368.70
  6. Step 6: Final answer
    x = 401,077.30

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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.