Home / 518,019.24-777,028.86-251,551.38

Finding the Fourth Proportional to 518,019.24, 777,028.86 and 251,551.38

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Solution

The fourth proportional to 518,019.24, 777,028.86 and 251,551.38 is: 377,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,019.24 : 777,028.86 = 251,551.38 : x
  2. Step 2: Convert to fraction form
    518,019.24/777,028.86 = 251,551.38/x
  3. Step 3: Cross multiply
    518,019.24x = 777,028.86 × 251,551.38
  4. Step 4: Simplify right side
    518,019.24x = 195,462,682,032.83
  5. Step 5: Solve for x
    x = 195,462,682,032.83/518,019.24
  6. Step 6: Final answer
    x = 377,327.07

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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.