Home / 718,249.71-1,077,691.94-376,611.56

Finding the Fourth Proportional to 718,249.71, 1,077,691.94 and 376,611.56

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Solution

The fourth proportional to 718,249.71, 1,077,691.94 and 376,611.56 is: 565,083.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,249.71 : 1,077,691.94 = 376,611.56 : x
  2. Step 2: Convert to fraction form
    718,249.71/1,077,691.94 = 376,611.56/x
  3. Step 3: Cross multiply
    718,249.71x = 1,077,691.94 × 376,611.56
  4. Step 4: Simplify right side
    718,249.71x = 405,871,238,275.90
  5. Step 5: Solve for x
    x = 405,871,238,275.90/718,249.71
  6. Step 6: Final answer
    x = 565,083.75

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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.