Home / 725,200.59-1,087,800.89-226,564.59

Finding the Fourth Proportional to 725,200.59, 1,087,800.89 and 226,564.59

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Solution

The fourth proportional to 725,200.59, 1,087,800.89 and 226,564.59 is: 339,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,200.59 : 1,087,800.89 = 226,564.59 : x
  2. Step 2: Convert to fraction form
    725,200.59/1,087,800.89 = 226,564.59/x
  3. Step 3: Cross multiply
    725,200.59x = 1,087,800.89 × 226,564.59
  4. Step 4: Simplify right side
    725,200.59x = 246,457,166,865.34
  5. Step 5: Solve for x
    x = 246,457,166,865.34/725,200.59
  6. Step 6: Final answer
    x = 339,846.89

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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.