Home / 831,538.73-1,147,526.26-449,568.25

Finding the Fourth Proportional to 831,538.73, 1,147,526.26 and 449,568.25

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Solution

The fourth proportional to 831,538.73, 1,147,526.26 and 449,568.25 is: 620,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,538.73 : 1,147,526.26 = 449,568.25 : x
  2. Step 2: Convert to fraction form
    831,538.73/1,147,526.26 = 449,568.25/x
  3. Step 3: Cross multiply
    831,538.73x = 1,147,526.26 × 449,568.25
  4. Step 4: Simplify right side
    831,538.73x = 515,891,368,544.51
  5. Step 5: Solve for x
    x = 515,891,368,544.51/831,538.73
  6. Step 6: Final answer
    x = 620,405.70

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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.