Home / 951,561.96-1,427,345.42-320,918.76

Finding the Fourth Proportional to 951,561.96, 1,427,345.42 and 320,918.76

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Solution

The fourth proportional to 951,561.96, 1,427,345.42 and 320,918.76 is: 481,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,561.96 : 1,427,345.42 = 320,918.76 : x
  2. Step 2: Convert to fraction form
    951,561.96/1,427,345.42 = 320,918.76/x
  3. Step 3: Cross multiply
    951,561.96x = 1,427,345.42 × 320,918.76
  4. Step 4: Simplify right side
    951,561.96x = 458,061,922,278.08
  5. Step 5: Solve for x
    x = 458,061,922,278.08/951,561.96
  6. Step 6: Final answer
    x = 481,378.98

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Double scale
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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.