Home / 787,838.12-1,182,054.94-308,408.52

Finding the Fourth Proportional to 787,838.12, 1,182,054.94 and 308,408.52

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Solution

The fourth proportional to 787,838.12, 1,182,054.94 and 308,408.52 is: 462,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,838.12 : 1,182,054.94 = 308,408.52 : x
  2. Step 2: Convert to fraction form
    787,838.12/1,182,054.94 = 308,408.52/x
  3. Step 3: Cross multiply
    787,838.12x = 1,182,054.94 × 308,408.52
  4. Step 4: Simplify right side
    787,838.12x = 364,555,814,604.09
  5. Step 5: Solve for x
    x = 364,555,814,604.09/787,838.12
  6. Step 6: Final answer
    x = 462,729.34

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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.