Home / 867,936.70-1,301,905.05-228,239.20

Finding the Fourth Proportional to 867,936.70, 1,301,905.05 and 228,239.20

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Solution

The fourth proportional to 867,936.70, 1,301,905.05 and 228,239.20 is: 342,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,936.70 : 1,301,905.05 = 228,239.20 : x
  2. Step 2: Convert to fraction form
    867,936.70/1,301,905.05 = 228,239.20/x
  3. Step 3: Cross multiply
    867,936.70x = 1,301,905.05 × 228,239.20
  4. Step 4: Simplify right side
    867,936.70x = 297,145,767,087.96
  5. Step 5: Solve for x
    x = 297,145,767,087.96/867,936.70
  6. Step 6: Final answer
    x = 342,358.80

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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.