Home / 718,064.21-1,077,280.86-268,791.55

Finding the Fourth Proportional to 718,064.21, 1,077,280.86 and 268,791.55

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Solution

The fourth proportional to 718,064.21, 1,077,280.86 and 268,791.55 is: 403,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,064.21 : 1,077,280.86 = 268,791.55 : x
  2. Step 2: Convert to fraction form
    718,064.21/1,077,280.86 = 268,791.55/x
  3. Step 3: Cross multiply
    718,064.21x = 1,077,280.86 × 268,791.55
  4. Step 4: Simplify right side
    718,064.21x = 289,563,992,144.73
  5. Step 5: Solve for x
    x = 289,563,992,144.73/718,064.21
  6. Step 6: Final answer
    x = 403,256.41

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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.