Home / 500,921.58-691,269.99-271,484.43

Finding the Fourth Proportional to 500,921.58, 691,269.99 and 271,484.43

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Solution

The fourth proportional to 500,921.58, 691,269.99 and 271,484.43 is: 374,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,921.58 : 691,269.99 = 271,484.43 : x
  2. Step 2: Convert to fraction form
    500,921.58/691,269.99 = 271,484.43/x
  3. Step 3: Cross multiply
    500,921.58x = 691,269.99 × 271,484.43
  4. Step 4: Simplify right side
    500,921.58x = 187,669,039,211.26
  5. Step 5: Solve for x
    x = 187,669,039,211.26/500,921.58
  6. Step 6: Final answer
    x = 374,647.54

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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.