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Finding the Fourth Proportional to 522,330.58, 783,594.22 and 372,198.44

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Solution

The fourth proportional to 522,330.58, 783,594.22 and 372,198.44 is: 558,367.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,330.58 : 783,594.22 = 372,198.44 : x
  2. Step 2: Convert to fraction form
    522,330.58/783,594.22 = 372,198.44/x
  3. Step 3: Cross multiply
    522,330.58x = 783,594.22 × 372,198.44
  4. Step 4: Simplify right side
    522,330.58x = 291,652,546,277.02
  5. Step 5: Solve for x
    x = 291,652,546,277.02/522,330.58
  6. Step 6: Final answer
    x = 558,367.74

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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.