Home / 745,085.28-1,117,794.60-271,770.66

Finding the Fourth Proportional to 745,085.28, 1,117,794.60 and 271,770.66

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Solution

The fourth proportional to 745,085.28, 1,117,794.60 and 271,770.66 is: 407,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,085.28 : 1,117,794.60 = 271,770.66 : x
  2. Step 2: Convert to fraction form
    745,085.28/1,117,794.60 = 271,770.66/x
  3. Step 3: Cross multiply
    745,085.28x = 1,117,794.60 × 271,770.66
  4. Step 4: Simplify right side
    745,085.28x = 303,783,776,186.44
  5. Step 5: Solve for x
    x = 303,783,776,186.44/745,085.28
  6. Step 6: Final answer
    x = 407,716.79

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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.