Home / 980,741.79-1,471,110.53-261,083.66

Finding the Fourth Proportional to 980,741.79, 1,471,110.53 and 261,083.66

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Solution

The fourth proportional to 980,741.79, 1,471,110.53 and 261,083.66 is: 391,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,741.79 : 1,471,110.53 = 261,083.66 : x
  2. Step 2: Convert to fraction form
    980,741.79/1,471,110.53 = 261,083.66/x
  3. Step 3: Cross multiply
    980,741.79x = 1,471,110.53 × 261,083.66
  4. Step 4: Simplify right side
    980,741.79x = 384,082,912,775.97
  5. Step 5: Solve for x
    x = 384,082,912,775.97/980,741.79
  6. Step 6: Final answer
    x = 391,624.91

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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.