Home / 727,166.72-1,090,799.90-247,199.19

Finding the Fourth Proportional to 727,166.72, 1,090,799.90 and 247,199.19

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Solution

The fourth proportional to 727,166.72, 1,090,799.90 and 247,199.19 is: 370,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,166.72 : 1,090,799.90 = 247,199.19 : x
  2. Step 2: Convert to fraction form
    727,166.72/1,090,799.90 = 247,199.19/x
  3. Step 3: Cross multiply
    727,166.72x = 1,090,799.90 × 247,199.19
  4. Step 4: Simplify right side
    727,166.72x = 269,644,850,496.09
  5. Step 5: Solve for x
    x = 269,644,850,496.09/727,166.72
  6. Step 6: Final answer
    x = 370,815.72

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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.