Home / 831,655.52-1,247,617.80-325,942.14

Finding the Fourth Proportional to 831,655.52, 1,247,617.80 and 325,942.14

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Solution

The fourth proportional to 831,655.52, 1,247,617.80 and 325,942.14 is: 488,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,655.52 : 1,247,617.80 = 325,942.14 : x
  2. Step 2: Convert to fraction form
    831,655.52/1,247,617.80 = 325,942.14/x
  3. Step 3: Cross multiply
    831,655.52x = 1,247,617.80 × 325,942.14
  4. Step 4: Simplify right side
    831,655.52x = 406,651,215,634.09
  5. Step 5: Solve for x
    x = 406,651,215,634.09/831,655.52
  6. Step 6: Final answer
    x = 488,965.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.