Home / 803,145.36-1,204,757.99-263,456.03

Finding the Fourth Proportional to 803,145.36, 1,204,757.99 and 263,456.03

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Solution

The fourth proportional to 803,145.36, 1,204,757.99 and 263,456.03 is: 395,197.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,145.36 : 1,204,757.99 = 263,456.03 : x
  2. Step 2: Convert to fraction form
    803,145.36/1,204,757.99 = 263,456.03/x
  3. Step 3: Cross multiply
    803,145.36x = 1,204,757.99 × 263,456.03
  4. Step 4: Simplify right side
    803,145.36x = 317,400,749,815.11
  5. Step 5: Solve for x
    x = 317,400,749,815.11/803,145.36
  6. Step 6: Final answer
    x = 395,197.14

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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.