Home / 747,906.20-1,121,865.70-249,270.20

Finding the Fourth Proportional to 747,906.20, 1,121,865.70 and 249,270.20

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Solution

The fourth proportional to 747,906.20, 1,121,865.70 and 249,270.20 is: 373,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,906.20 : 1,121,865.70 = 249,270.20 : x
  2. Step 2: Convert to fraction form
    747,906.20/1,121,865.70 = 249,270.20/x
  3. Step 3: Cross multiply
    747,906.20x = 1,121,865.70 × 249,270.20
  4. Step 4: Simplify right side
    747,906.20x = 279,647,687,412.14
  5. Step 5: Solve for x
    x = 279,647,687,412.14/747,906.20
  6. Step 6: Final answer
    x = 373,907.43

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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.