Home / 612,293.78-844,983.69-370,620.56

Finding the Fourth Proportional to 612,293.78, 844,983.69 and 370,620.56

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Solution

The fourth proportional to 612,293.78, 844,983.69 and 370,620.56 is: 511,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,293.78 : 844,983.69 = 370,620.56 : x
  2. Step 2: Convert to fraction form
    612,293.78/844,983.69 = 370,620.56/x
  3. Step 3: Cross multiply
    612,293.78x = 844,983.69 × 370,620.56
  4. Step 4: Simplify right side
    612,293.78x = 313,168,328,378.67
  5. Step 5: Solve for x
    x = 313,168,328,378.67/612,293.78
  6. Step 6: Final answer
    x = 511,467.43

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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.