Home / 747,670.14-1,121,228.19-267,823.20

Finding the Fourth Proportional to 747,670.14, 1,121,228.19 and 267,823.20

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Solution

The fourth proportional to 747,670.14, 1,121,228.19 and 267,823.20 is: 401,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,670.14 : 1,121,228.19 = 267,823.20 : x
  2. Step 2: Convert to fraction form
    747,670.14/1,121,228.19 = 267,823.20/x
  3. Step 3: Cross multiply
    747,670.14x = 1,121,228.19 × 267,823.20
  4. Step 4: Simplify right side
    747,670.14x = 300,290,921,776.01
  5. Step 5: Solve for x
    x = 300,290,921,776.01/747,670.14
  6. Step 6: Final answer
    x = 401,635.57

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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.