Home / 803,727.38-1,205,388.03-298,010.42

Finding the Fourth Proportional to 803,727.38, 1,205,388.03 and 298,010.42

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Solution

The fourth proportional to 803,727.38, 1,205,388.03 and 298,010.42 is: 446,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,727.38 : 1,205,388.03 = 298,010.42 : x
  2. Step 2: Convert to fraction form
    803,727.38/1,205,388.03 = 298,010.42/x
  3. Step 3: Cross multiply
    803,727.38x = 1,205,388.03 × 298,010.42
  4. Step 4: Simplify right side
    803,727.38x = 359,218,193,083.27
  5. Step 5: Solve for x
    x = 359,218,193,083.27/803,727.38
  6. Step 6: Final answer
    x = 446,940.35

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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.