Home / 669,123.20-1,002,907.20-269,566.40

Finding the Fourth Proportional to 669,123.20, 1,002,907.20 and 269,566.40

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Solution

The fourth proportional to 669,123.20, 1,002,907.20 and 269,566.40 is: 404,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,123.20 : 1,002,907.20 = 269,566.40 : x
  2. Step 2: Convert to fraction form
    669,123.20/1,002,907.20 = 269,566.40/x
  3. Step 3: Cross multiply
    669,123.20x = 1,002,907.20 × 269,566.40
  4. Step 4: Simplify right side
    669,123.20x = 270,350,083,438.08
  5. Step 5: Solve for x
    x = 270,350,083,438.08/669,123.20
  6. Step 6: Final answer
    x = 404,036.33

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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.