Home / 878,431.94-1,317,531.26-247,394.96

Finding the Fourth Proportional to 878,431.94, 1,317,531.26 and 247,394.96

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Solution

The fourth proportional to 878,431.94, 1,317,531.26 and 247,394.96 is: 371,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,431.94 : 1,317,531.26 = 247,394.96 : x
  2. Step 2: Convert to fraction form
    878,431.94/1,317,531.26 = 247,394.96/x
  3. Step 3: Cross multiply
    878,431.94x = 1,317,531.26 × 247,394.96
  4. Step 4: Simplify right side
    878,431.94x = 325,950,585,541.82
  5. Step 5: Solve for x
    x = 325,950,585,541.82/878,431.94
  6. Step 6: Final answer
    x = 371,059.58

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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.