Home / 690,300.45-1,035,027.86-269,084.25

Finding the Fourth Proportional to 690,300.45, 1,035,027.86 and 269,084.25

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Solution

The fourth proportional to 690,300.45, 1,035,027.86 and 269,084.25 is: 403,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,300.45 : 1,035,027.86 = 269,084.25 : x
  2. Step 2: Convert to fraction form
    690,300.45/1,035,027.86 = 269,084.25/x
  3. Step 3: Cross multiply
    690,300.45x = 1,035,027.86 × 269,084.25
  4. Step 4: Simplify right side
    690,300.45x = 278,509,694,091.78
  5. Step 5: Solve for x
    x = 278,509,694,091.78/690,300.45
  6. Step 6: Final answer
    x = 403,461.56

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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.