Home / 951,557.96-1,427,339.42-320,914.76

Finding the Fourth Proportional to 951,557.96, 1,427,339.42 and 320,914.76

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Solution

The fourth proportional to 951,557.96, 1,427,339.42 and 320,914.76 is: 481,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,557.96 : 1,427,339.42 = 320,914.76 : x
  2. Step 2: Convert to fraction form
    951,557.96/1,427,339.42 = 320,914.76/x
  3. Step 3: Cross multiply
    951,557.96x = 1,427,339.42 × 320,914.76
  4. Step 4: Simplify right side
    951,557.96x = 458,054,287,407.84
  5. Step 5: Solve for x
    x = 458,054,287,407.84/951,557.96
  6. Step 6: Final answer
    x = 481,372.98

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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.