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Finding the Fourth Proportional to 500,750.91, 691,028.82 and 271,301.81

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Solution

The fourth proportional to 500,750.91, 691,028.82 and 271,301.81 is: 374,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,750.91 : 691,028.82 = 271,301.81 : x
  2. Step 2: Convert to fraction form
    500,750.91/691,028.82 = 271,301.81/x
  3. Step 3: Cross multiply
    500,750.91x = 691,028.82 × 271,301.81
  4. Step 4: Simplify right side
    500,750.91x = 187,477,366,173.02
  5. Step 5: Solve for x
    x = 187,477,366,173.02/500,750.91
  6. Step 6: Final answer
    x = 374,392.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.