Home / 758,491.34-1,137,736.46-225,998.70

Finding the Fourth Proportional to 758,491.34, 1,137,736.46 and 225,998.70

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Solution

The fourth proportional to 758,491.34, 1,137,736.46 and 225,998.70 is: 338,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,491.34 : 1,137,736.46 = 225,998.70 : x
  2. Step 2: Convert to fraction form
    758,491.34/1,137,736.46 = 225,998.70/x
  3. Step 3: Cross multiply
    758,491.34x = 1,137,736.46 × 225,998.70
  4. Step 4: Simplify right side
    758,491.34x = 257,126,960,902.60
  5. Step 5: Solve for x
    x = 257,126,960,902.60/758,491.34
  6. Step 6: Final answer
    x = 338,997.89

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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.