Home / 867,291.20-1,304,047.20-730,433.60

Finding the Fourth Proportional to 867,291.20, 1,304,047.20 and 730,433.60

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Solution

The fourth proportional to 867,291.20, 1,304,047.20 and 730,433.60 is: 1,098,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,291.20 : 1,304,047.20 = 730,433.60 : x
  2. Step 2: Convert to fraction form
    867,291.20/1,304,047.20 = 730,433.60/x
  3. Step 3: Cross multiply
    867,291.20x = 1,304,047.20 × 730,433.60
  4. Step 4: Simplify right side
    867,291.20x = 952,519,890,865.92
  5. Step 5: Solve for x
    x = 952,519,890,865.92/867,291.20
  6. Step 6: Final answer
    x = 1,098,269.98

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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.