Home / 745,086.28-1,117,796.10-271,771.66

Finding the Fourth Proportional to 745,086.28, 1,117,796.10 and 271,771.66

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Solution

The fourth proportional to 745,086.28, 1,117,796.10 and 271,771.66 is: 407,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,086.28 : 1,117,796.10 = 271,771.66 : x
  2. Step 2: Convert to fraction form
    745,086.28/1,117,796.10 = 271,771.66/x
  3. Step 3: Cross multiply
    745,086.28x = 1,117,796.10 × 271,771.66
  4. Step 4: Simplify right side
    745,086.28x = 303,785,301,638.53
  5. Step 5: Solve for x
    x = 303,785,301,638.53/745,086.28
  6. Step 6: Final answer
    x = 407,718.29

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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.