Home / 762,758.40-1,144,137.60-194,138.40

Finding the Fourth Proportional to 762,758.40, 1,144,137.60 and 194,138.40

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Solution

The fourth proportional to 762,758.40, 1,144,137.60 and 194,138.40 is: 291,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,758.40 : 1,144,137.60 = 194,138.40 : x
  2. Step 2: Convert to fraction form
    762,758.40/1,144,137.60 = 194,138.40/x
  3. Step 3: Cross multiply
    762,758.40x = 1,144,137.60 × 194,138.40
  4. Step 4: Simplify right side
    762,758.40x = 222,121,043,043.84
  5. Step 5: Solve for x
    x = 222,121,043,043.84/762,758.40
  6. Step 6: Final answer
    x = 291,207.60

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Similar ratio
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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.