Home / 867,938.20-1,301,907.30-228,240.70

Finding the Fourth Proportional to 867,938.20, 1,301,907.30 and 228,240.70

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Solution

The fourth proportional to 867,938.20, 1,301,907.30 and 228,240.70 is: 342,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,938.20 : 1,301,907.30 = 228,240.70 : x
  2. Step 2: Convert to fraction form
    867,938.20/1,301,907.30 = 228,240.70/x
  3. Step 3: Cross multiply
    867,938.20x = 1,301,907.30 × 228,240.70
  4. Step 4: Simplify right side
    867,938.20x = 297,148,233,487.11
  5. Step 5: Solve for x
    x = 297,148,233,487.11/867,938.20
  6. Step 6: Final answer
    x = 342,361.05

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Half scale
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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.