Home / 831,866.51-1,147,976.55-449,893.29

Finding the Fourth Proportional to 831,866.51, 1,147,976.55 and 449,893.29

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Solution

The fourth proportional to 831,866.51, 1,147,976.55 and 449,893.29 is: 620,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,866.51 : 1,147,976.55 = 449,893.29 : x
  2. Step 2: Convert to fraction form
    831,866.51/1,147,976.55 = 449,893.29/x
  3. Step 3: Cross multiply
    831,866.51x = 1,147,976.55 × 449,893.29
  4. Step 4: Simplify right side
    831,866.51x = 516,466,946,922.35
  5. Step 5: Solve for x
    x = 516,466,946,922.35/831,866.51
  6. Step 6: Final answer
    x = 620,853.16

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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.