Home / 747,608.18-1,121,428.15-267,867.23

Finding the Fourth Proportional to 747,608.18, 1,121,428.15 and 267,867.23

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Solution

The fourth proportional to 747,608.18, 1,121,428.15 and 267,867.23 is: 401,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,608.18 : 1,121,428.15 = 267,867.23 : x
  2. Step 2: Convert to fraction form
    747,608.18/1,121,428.15 = 267,867.23/x
  3. Step 3: Cross multiply
    747,608.18x = 1,121,428.15 × 267,867.23
  4. Step 4: Simplify right side
    747,608.18x = 300,393,845,907.72
  5. Step 5: Solve for x
    x = 300,393,845,907.72/747,608.18
  6. Step 6: Final answer
    x = 401,806.53

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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.