Home / 728,873.73-1,093,317.93-255,570.48

Finding the Fourth Proportional to 728,873.73, 1,093,317.93 and 255,570.48

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Solution

The fourth proportional to 728,873.73, 1,093,317.93 and 255,570.48 is: 383,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,873.73 : 1,093,317.93 = 255,570.48 : x
  2. Step 2: Convert to fraction form
    728,873.73/1,093,317.93 = 255,570.48/x
  3. Step 3: Cross multiply
    728,873.73x = 1,093,317.93 × 255,570.48
  4. Step 4: Simplify right side
    728,873.73x = 279,419,788,162.71
  5. Step 5: Solve for x
    x = 279,419,788,162.71/728,873.73
  6. Step 6: Final answer
    x = 383,358.29

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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.