Home / 831,886.33-1,148,003.13-449,913.11

Finding the Fourth Proportional to 831,886.33, 1,148,003.13 and 449,913.11

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Solution

The fourth proportional to 831,886.33, 1,148,003.13 and 449,913.11 is: 620,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,886.33 : 1,148,003.13 = 449,913.11 : x
  2. Step 2: Convert to fraction form
    831,886.33/1,148,003.13 = 449,913.11/x
  3. Step 3: Cross multiply
    831,886.33x = 1,148,003.13 × 449,913.11
  4. Step 4: Simplify right side
    831,886.33x = 516,501,656,258.47
  5. Step 5: Solve for x
    x = 516,501,656,258.47/831,886.33
  6. Step 6: Final answer
    x = 620,880.09

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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.