Home / 878,576.44-1,317,684.84-247,495.72

Finding the Fourth Proportional to 878,576.44, 1,317,684.84 and 247,495.72

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Solution

The fourth proportional to 878,576.44, 1,317,684.84 and 247,495.72 is: 371,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,576.44 : 1,317,684.84 = 247,495.72 : x
  2. Step 2: Convert to fraction form
    878,576.44/1,317,684.84 = 247,495.72/x
  3. Step 3: Cross multiply
    878,576.44x = 1,317,684.84 × 247,495.72
  4. Step 4: Simplify right side
    878,576.44x = 326,121,358,208.89
  5. Step 5: Solve for x
    x = 326,121,358,208.89/878,576.44
  6. Step 6: Final answer
    x = 371,192.92

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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.