Home / 831,887.26-1,148,004.42-449,914.04

Finding the Fourth Proportional to 831,887.26, 1,148,004.42 and 449,914.04

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Solution

The fourth proportional to 831,887.26, 1,148,004.42 and 449,914.04 is: 620,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,887.26 : 1,148,004.42 = 449,914.04 : x
  2. Step 2: Convert to fraction form
    831,887.26/1,148,004.42 = 449,914.04/x
  3. Step 3: Cross multiply
    831,887.26x = 1,148,004.42 × 449,914.04
  4. Step 4: Simplify right side
    831,887.26x = 516,503,312,406.17
  5. Step 5: Solve for x
    x = 516,503,312,406.17/831,887.26
  6. Step 6: Final answer
    x = 620,881.38

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1.5x scale

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.