Home / 747,218.76-1,120,745.09-267,427.19

Finding the Fourth Proportional to 747,218.76, 1,120,745.09 and 267,427.19

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Solution

The fourth proportional to 747,218.76, 1,120,745.09 and 267,427.19 is: 401,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,218.76 : 1,120,745.09 = 267,427.19 : x
  2. Step 2: Convert to fraction form
    747,218.76/1,120,745.09 = 267,427.19/x
  3. Step 3: Cross multiply
    747,218.76x = 1,120,745.09 × 267,427.19
  4. Step 4: Simplify right side
    747,218.76x = 299,717,703,184.14
  5. Step 5: Solve for x
    x = 299,717,703,184.14/747,218.76
  6. Step 6: Final answer
    x = 401,111.05

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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.