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Finding the Fourth Proportional to 519,973.83, 779,450.45 and 267,375.33

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Solution

The fourth proportional to 519,973.83, 779,450.45 and 267,375.33 is: 400,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,973.83 : 779,450.45 = 267,375.33 : x
  2. Step 2: Convert to fraction form
    519,973.83/779,450.45 = 267,375.33/x
  3. Step 3: Cross multiply
    519,973.83x = 779,450.45 × 267,375.33
  4. Step 4: Simplify right side
    519,973.83x = 208,405,819,950.52
  5. Step 5: Solve for x
    x = 208,405,819,950.52/519,973.83
  6. Step 6: Final answer
    x = 400,800.59

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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.