Home / 918,234.80-1,377,352.20-664,324.10

Finding the Fourth Proportional to 918,234.80, 1,377,352.20 and 664,324.10

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Solution

The fourth proportional to 918,234.80, 1,377,352.20 and 664,324.10 is: 996,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,234.80 : 1,377,352.20 = 664,324.10 : x
  2. Step 2: Convert to fraction form
    918,234.80/1,377,352.20 = 664,324.10/x
  3. Step 3: Cross multiply
    918,234.80x = 1,377,352.20 × 664,324.10
  4. Step 4: Simplify right side
    918,234.80x = 915,008,260,648.02
  5. Step 5: Solve for x
    x = 915,008,260,648.02/918,234.80
  6. Step 6: Final answer
    x = 996,486.15

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Similar ratio
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1.5x scale

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.