Home / 867,945.70-1,301,918.55-228,248.20

Finding the Fourth Proportional to 867,945.70, 1,301,918.55 and 228,248.20

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Solution

The fourth proportional to 867,945.70, 1,301,918.55 and 228,248.20 is: 342,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,945.70 : 1,301,918.55 = 228,248.20 : x
  2. Step 2: Convert to fraction form
    867,945.70/1,301,918.55 = 228,248.20/x
  3. Step 3: Cross multiply
    867,945.70x = 1,301,918.55 × 228,248.20
  4. Step 4: Simplify right side
    867,945.70x = 297,160,565,584.11
  5. Step 5: Solve for x
    x = 297,160,565,584.11/867,945.70
  6. Step 6: Final answer
    x = 342,372.30

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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.