Home / 477,067.80-714,929.22-376,786.20

Finding the Fourth Proportional to 477,067.80, 714,929.22 and 376,786.20

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Solution

The fourth proportional to 477,067.80, 714,929.22 and 376,786.20 is: 564,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,067.80 : 714,929.22 = 376,786.20 : x
  2. Step 2: Convert to fraction form
    477,067.80/714,929.22 = 376,786.20/x
  3. Step 3: Cross multiply
    477,067.80x = 714,929.22 × 376,786.20
  4. Step 4: Simplify right side
    477,067.80x = 269,375,464,072.76
  5. Step 5: Solve for x
    x = 269,375,464,072.76/477,067.80
  6. Step 6: Final answer
    x = 564,648.18

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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.