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Finding the Fourth Proportional to 522,548.39, 783,823.80 and 143,474.31

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Solution

The fourth proportional to 522,548.39, 783,823.80 and 143,474.31 is: 215,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,548.39 : 783,823.80 = 143,474.31 : x
  2. Step 2: Convert to fraction form
    522,548.39/783,823.80 = 143,474.31/x
  3. Step 3: Cross multiply
    522,548.39x = 783,823.80 × 143,474.31
  4. Step 4: Simplify right side
    522,548.39x = 112,458,578,866.58
  5. Step 5: Solve for x
    x = 112,458,578,866.58/522,548.39
  6. Step 6: Final answer
    x = 215,211.80

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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.