Home / 727,802.88-1,091,901.96-412,481.22

Finding the Fourth Proportional to 727,802.88, 1,091,901.96 and 412,481.22

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Solution

The fourth proportional to 727,802.88, 1,091,901.96 and 412,481.22 is: 618,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,802.88 : 1,091,901.96 = 412,481.22 : x
  2. Step 2: Convert to fraction form
    727,802.88/1,091,901.96 = 412,481.22/x
  3. Step 3: Cross multiply
    727,802.88x = 1,091,901.96 × 412,481.22
  4. Step 4: Simplify right side
    727,802.88x = 450,389,052,581.19
  5. Step 5: Solve for x
    x = 450,389,052,581.19/727,802.88
  6. Step 6: Final answer
    x = 618,833.84

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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.