Home / 867,620.20-1,304,540.70-730,762.60

Finding the Fourth Proportional to 867,620.20, 1,304,540.70 and 730,762.60

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Solution

The fourth proportional to 867,620.20, 1,304,540.70 and 730,762.60 is: 1,098,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,620.20 : 1,304,540.70 = 730,762.60 : x
  2. Step 2: Convert to fraction form
    867,620.20/1,304,540.70 = 730,762.60/x
  3. Step 3: Cross multiply
    867,620.20x = 1,304,540.70 × 730,762.60
  4. Step 4: Simplify right side
    867,620.20x = 953,309,553,737.82
  5. Step 5: Solve for x
    x = 953,309,553,737.82/867,620.20
  6. Step 6: Final answer
    x = 1,098,763.67

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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.