Home / 843,374.82-1,264,250.31-310,605.24

Finding the Fourth Proportional to 843,374.82, 1,264,250.31 and 310,605.24

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Solution

The fourth proportional to 843,374.82, 1,264,250.31 and 310,605.24 is: 465,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,374.82 : 1,264,250.31 = 310,605.24 : x
  2. Step 2: Convert to fraction form
    843,374.82/1,264,250.31 = 310,605.24/x
  3. Step 3: Cross multiply
    843,374.82x = 1,264,250.31 × 310,605.24
  4. Step 4: Simplify right side
    843,374.82x = 392,682,770,957.62
  5. Step 5: Solve for x
    x = 392,682,770,957.62/843,374.82
  6. Step 6: Final answer
    x = 465,608.84

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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.