Home / 898,348.12-1,347,345.60-267,121.60

Finding the Fourth Proportional to 898,348.12, 1,347,345.60 and 267,121.60

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Solution

The fourth proportional to 898,348.12, 1,347,345.60 and 267,121.60 is: 400,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,348.12 : 1,347,345.60 = 267,121.60 : x
  2. Step 2: Convert to fraction form
    898,348.12/1,347,345.60 = 267,121.60/x
  3. Step 3: Cross multiply
    898,348.12x = 1,347,345.60 × 267,121.60
  4. Step 4: Simplify right side
    898,348.12x = 359,905,112,424.96
  5. Step 5: Solve for x
    x = 359,905,112,424.96/898,348.12
  6. Step 6: Final answer
    x = 400,629.89

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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.