Home / 831,397.88-1,147,243.46-613,722.36

Finding the Fourth Proportional to 831,397.88, 1,147,243.46 and 613,722.36

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Solution

The fourth proportional to 831,397.88, 1,147,243.46 and 613,722.36 is: 846,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,397.88 : 1,147,243.46 = 613,722.36 : x
  2. Step 2: Convert to fraction form
    831,397.88/1,147,243.46 = 613,722.36/x
  3. Step 3: Cross multiply
    831,397.88x = 1,147,243.46 × 613,722.36
  4. Step 4: Simplify right side
    831,397.88x = 704,088,963,765.77
  5. Step 5: Solve for x
    x = 704,088,963,765.77/831,397.88
  6. Step 6: Final answer
    x = 846,873.66

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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.