Home / 690,301.20-1,035,028.98-269,085

Finding the Fourth Proportional to 690,301.20, 1,035,028.98 and 269,085

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Solution

The fourth proportional to 690,301.20, 1,035,028.98 and 269,085 is: 403,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,301.20 : 1,035,028.98 = 269,085 : x
  2. Step 2: Convert to fraction form
    690,301.20/1,035,028.98 = 269,085/x
  3. Step 3: Cross multiply
    690,301.20x = 1,035,028.98 × 269,085
  4. Step 4: Simplify right side
    690,301.20x = 278,510,773,083.30
  5. Step 5: Solve for x
    x = 278,510,773,083.30/690,301.20
  6. Step 6: Final answer
    x = 403,462.68

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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.