Home / 693,091.92-1,039,637.17-260,890.10

Finding the Fourth Proportional to 693,091.92, 1,039,637.17 and 260,890.10

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Solution

The fourth proportional to 693,091.92, 1,039,637.17 and 260,890.10 is: 391,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,091.92 : 1,039,637.17 = 260,890.10 : x
  2. Step 2: Convert to fraction form
    693,091.92/1,039,637.17 = 260,890.10/x
  3. Step 3: Cross multiply
    693,091.92x = 1,039,637.17 × 260,890.10
  4. Step 4: Simplify right side
    693,091.92x = 271,231,038,742.38
  5. Step 5: Solve for x
    x = 271,231,038,742.38/693,091.92
  6. Step 6: Final answer
    x = 391,334.87

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Double scale
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Similar ratio
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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.