Home / 820,234.20-1,230,351.30-460,035.30

Finding the Fourth Proportional to 820,234.20, 1,230,351.30 and 460,035.30

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Solution

The fourth proportional to 820,234.20, 1,230,351.30 and 460,035.30 is: 690,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,234.20 : 1,230,351.30 = 460,035.30 : x
  2. Step 2: Convert to fraction form
    820,234.20/1,230,351.30 = 460,035.30/x
  3. Step 3: Cross multiply
    820,234.20x = 1,230,351.30 × 460,035.30
  4. Step 4: Simplify right side
    820,234.20x = 566,005,029,400.89
  5. Step 5: Solve for x
    x = 566,005,029,400.89/820,234.20
  6. Step 6: Final answer
    x = 690,052.95

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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.