Home / 690,180.60-1,035,854.10-269,758.20

Finding the Fourth Proportional to 690,180.60, 1,035,854.10 and 269,758.20

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Solution

The fourth proportional to 690,180.60, 1,035,854.10 and 269,758.20 is: 404,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,180.60 : 1,035,854.10 = 269,758.20 : x
  2. Step 2: Convert to fraction form
    690,180.60/1,035,854.10 = 269,758.20/x
  3. Step 3: Cross multiply
    690,180.60x = 1,035,854.10 × 269,758.20
  4. Step 4: Simplify right side
    690,180.60x = 279,430,137,478.62
  5. Step 5: Solve for x
    x = 279,430,137,478.62/690,180.60
  6. Step 6: Final answer
    x = 404,865.24

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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.