Home / 690,272.20-1,034,792.70-269,450.20

Finding the Fourth Proportional to 690,272.20, 1,034,792.70 and 269,450.20

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Solution

The fourth proportional to 690,272.20, 1,034,792.70 and 269,450.20 is: 403,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,272.20 : 1,034,792.70 = 269,450.20 : x
  2. Step 2: Convert to fraction form
    690,272.20/1,034,792.70 = 269,450.20/x
  3. Step 3: Cross multiply
    690,272.20x = 1,034,792.70 × 269,450.20
  4. Step 4: Simplify right side
    690,272.20x = 278,825,099,973.54
  5. Step 5: Solve for x
    x = 278,825,099,973.54/690,272.20
  6. Step 6: Final answer
    x = 403,935.00

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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.