Home / 831,887.33-1,148,004.51-449,914.11

Finding the Fourth Proportional to 831,887.33, 1,148,004.51 and 449,914.11

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Solution

The fourth proportional to 831,887.33, 1,148,004.51 and 449,914.11 is: 620,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,887.33 : 1,148,004.51 = 449,914.11 : x
  2. Step 2: Convert to fraction form
    831,887.33/1,148,004.51 = 449,914.11/x
  3. Step 3: Cross multiply
    831,887.33x = 1,148,004.51 × 449,914.11
  4. Step 4: Simplify right side
    831,887.33x = 516,503,425,143.07
  5. Step 5: Solve for x
    x = 516,503,425,143.07/831,887.33
  6. Step 6: Final answer
    x = 620,881.47

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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.