Home / 669,456.80-1,003,310.40-269,770.40

Finding the Fourth Proportional to 669,456.80, 1,003,310.40 and 269,770.40

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Solution

The fourth proportional to 669,456.80, 1,003,310.40 and 269,770.40 is: 404,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,456.80 : 1,003,310.40 = 269,770.40 : x
  2. Step 2: Convert to fraction form
    669,456.80/1,003,310.40 = 269,770.40/x
  3. Step 3: Cross multiply
    669,456.80x = 1,003,310.40 × 269,770.40
  4. Step 4: Simplify right side
    669,456.80x = 270,663,447,932.16
  5. Step 5: Solve for x
    x = 270,663,447,932.16/669,456.80
  6. Step 6: Final answer
    x = 404,303.08

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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.