Home / 747,824.20-1,121,736.30-249,188.20

Finding the Fourth Proportional to 747,824.20, 1,121,736.30 and 249,188.20

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Solution

The fourth proportional to 747,824.20, 1,121,736.30 and 249,188.20 is: 373,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,824.20 : 1,121,736.30 = 249,188.20 : x
  2. Step 2: Convert to fraction form
    747,824.20/1,121,736.30 = 249,188.20/x
  3. Step 3: Cross multiply
    747,824.20x = 1,121,736.30 × 249,188.20
  4. Step 4: Simplify right side
    747,824.20x = 279,523,449,471.66
  5. Step 5: Solve for x
    x = 279,523,449,471.66/747,824.20
  6. Step 6: Final answer
    x = 373,782.30

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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.