Home / 831,866.74-1,147,976.86-449,893.52

Finding the Fourth Proportional to 831,866.74, 1,147,976.86 and 449,893.52

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Solution

The fourth proportional to 831,866.74, 1,147,976.86 and 449,893.52 is: 620,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,866.74 : 1,147,976.86 = 449,893.52 : x
  2. Step 2: Convert to fraction form
    831,866.74/1,147,976.86 = 449,893.52/x
  3. Step 3: Cross multiply
    831,866.74x = 1,147,976.86 × 449,893.52
  4. Step 4: Simplify right side
    831,866.74x = 516,467,343,559.33
  5. Step 5: Solve for x
    x = 516,467,343,559.33/831,866.74
  6. Step 6: Final answer
    x = 620,853.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.