Home / 690,340.94-1,035,571.23-210,676.73

Finding the Fourth Proportional to 690,340.94, 1,035,571.23 and 210,676.73

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Solution

The fourth proportional to 690,340.94, 1,035,571.23 and 210,676.73 is: 316,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,340.94 : 1,035,571.23 = 210,676.73 : x
  2. Step 2: Convert to fraction form
    690,340.94/1,035,571.23 = 210,676.73/x
  3. Step 3: Cross multiply
    690,340.94x = 1,035,571.23 × 210,676.73
  4. Step 4: Simplify right side
    690,340.94x = 218,170,755,240.62
  5. Step 5: Solve for x
    x = 218,170,755,240.62/690,340.94
  6. Step 6: Final answer
    x = 316,033.35

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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.