Home / 439,078.88-605,882.49-248,055.38

Finding the Fourth Proportional to 439,078.88, 605,882.49 and 248,055.38

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Solution

The fourth proportional to 439,078.88, 605,882.49 and 248,055.38 is: 342,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,078.88 : 605,882.49 = 248,055.38 : x
  2. Step 2: Convert to fraction form
    439,078.88/605,882.49 = 248,055.38/x
  3. Step 3: Cross multiply
    439,078.88x = 605,882.49 × 248,055.38
  4. Step 4: Simplify right side
    439,078.88x = 150,292,411,292.30
  5. Step 5: Solve for x
    x = 150,292,411,292.30/439,078.88
  6. Step 6: Final answer
    x = 342,290.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.