Home / 745,190.44-1,117,111.54-271,764.88

Finding the Fourth Proportional to 745,190.44, 1,117,111.54 and 271,764.88

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Solution

The fourth proportional to 745,190.44, 1,117,111.54 and 271,764.88 is: 407,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,190.44 : 1,117,111.54 = 271,764.88 : x
  2. Step 2: Convert to fraction form
    745,190.44/1,117,111.54 = 271,764.88/x
  3. Step 3: Cross multiply
    745,190.44x = 1,117,111.54 × 271,764.88
  4. Step 4: Simplify right side
    745,190.44x = 303,591,683,614.72
  5. Step 5: Solve for x
    x = 303,591,683,614.72/745,190.44
  6. Step 6: Final answer
    x = 407,401.47

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Double scale
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Similar ratio
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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.