Home / 747,629.88-1,121,460.75-267,889.02

Finding the Fourth Proportional to 747,629.88, 1,121,460.75 and 267,889.02

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Solution

The fourth proportional to 747,629.88, 1,121,460.75 and 267,889.02 is: 401,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,629.88 : 1,121,460.75 = 267,889.02 : x
  2. Step 2: Convert to fraction form
    747,629.88/1,121,460.75 = 267,889.02/x
  3. Step 3: Cross multiply
    747,629.88x = 1,121,460.75 × 267,889.02
  4. Step 4: Simplify right side
    747,629.88x = 300,427,021,285.97
  5. Step 5: Solve for x
    x = 300,427,021,285.97/747,629.88
  6. Step 6: Final answer
    x = 401,839.24

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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.