Home / 500,776.96-691,066.32-271,329.76

Finding the Fourth Proportional to 500,776.96, 691,066.32 and 271,329.76

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Solution

The fourth proportional to 500,776.96, 691,066.32 and 271,329.76 is: 374,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,776.96 : 691,066.32 = 271,329.76 : x
  2. Step 2: Convert to fraction form
    500,776.96/691,066.32 = 271,329.76/x
  3. Step 3: Cross multiply
    500,776.96x = 691,066.32 × 271,329.76
  4. Step 4: Simplify right side
    500,776.96x = 187,506,858,749.68
  5. Step 5: Solve for x
    x = 187,506,858,749.68/500,776.96
  6. Step 6: Final answer
    x = 374,431.88

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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.