Home / 831,887.46-1,148,004.68-449,914.24

Finding the Fourth Proportional to 831,887.46, 1,148,004.68 and 449,914.24

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Solution

The fourth proportional to 831,887.46, 1,148,004.68 and 449,914.24 is: 620,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,887.46 : 1,148,004.68 = 449,914.24 : x
  2. Step 2: Convert to fraction form
    831,887.46/1,148,004.68 = 449,914.24/x
  3. Step 3: Cross multiply
    831,887.46x = 1,148,004.68 × 449,914.24
  4. Step 4: Simplify right side
    831,887.46x = 516,503,653,118.64
  5. Step 5: Solve for x
    x = 516,503,653,118.64/831,887.46
  6. Step 6: Final answer
    x = 620,881.64

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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.