Home / 905,997.28-1,358,996.08-266,300.96

Finding the Fourth Proportional to 905,997.28, 1,358,996.08 and 266,300.96

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Solution

The fourth proportional to 905,997.28, 1,358,996.08 and 266,300.96 is: 399,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,997.28 : 1,358,996.08 = 266,300.96 : x
  2. Step 2: Convert to fraction form
    905,997.28/1,358,996.08 = 266,300.96/x
  3. Step 3: Cross multiply
    905,997.28x = 1,358,996.08 × 266,300.96
  4. Step 4: Simplify right side
    905,997.28x = 361,901,960,740.24
  5. Step 5: Solve for x
    x = 361,901,960,740.24/905,997.28
  6. Step 6: Final answer
    x = 399,451.49

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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.