Home / 831,656.52-1,247,619.30-325,943.14

Finding the Fourth Proportional to 831,656.52, 1,247,619.30 and 325,943.14

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Solution

The fourth proportional to 831,656.52, 1,247,619.30 and 325,943.14 is: 488,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,656.52 : 1,247,619.30 = 325,943.14 : x
  2. Step 2: Convert to fraction form
    831,656.52/1,247,619.30 = 325,943.14/x
  3. Step 3: Cross multiply
    831,656.52x = 1,247,619.30 × 325,943.14
  4. Step 4: Simplify right side
    831,656.52x = 406,652,952,166.60
  5. Step 5: Solve for x
    x = 406,652,952,166.60/831,656.52
  6. Step 6: Final answer
    x = 488,967.43

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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.