Home / 850,379.87-1,275,554.21-210,684.98

Finding the Fourth Proportional to 850,379.87, 1,275,554.21 and 210,684.98

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Solution

The fourth proportional to 850,379.87, 1,275,554.21 and 210,684.98 is: 316,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,379.87 : 1,275,554.21 = 210,684.98 : x
  2. Step 2: Convert to fraction form
    850,379.87/1,275,554.21 = 210,684.98/x
  3. Step 3: Cross multiply
    850,379.87x = 1,275,554.21 × 210,684.98
  4. Step 4: Simplify right side
    850,379.87x = 268,740,105,791.57
  5. Step 5: Solve for x
    x = 268,740,105,791.57/850,379.87
  6. Step 6: Final answer
    x = 316,023.60

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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.