Home / 753,727.42-1,130,630.01-192,766.78

Finding the Fourth Proportional to 753,727.42, 1,130,630.01 and 192,766.78

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Solution

The fourth proportional to 753,727.42, 1,130,630.01 and 192,766.78 is: 289,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,727.42 : 1,130,630.01 = 192,766.78 : x
  2. Step 2: Convert to fraction form
    753,727.42/1,130,630.01 = 192,766.78/x
  3. Step 3: Cross multiply
    753,727.42x = 1,130,630.01 × 192,766.78
  4. Step 4: Simplify right side
    753,727.42x = 217,947,906,399.07
  5. Step 5: Solve for x
    x = 217,947,906,399.07/753,727.42
  6. Step 6: Final answer
    x = 289,160.11

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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.