Home / 788,786.25-1,182,588.89-255,989.31

Finding the Fourth Proportional to 788,786.25, 1,182,588.89 and 255,989.31

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Solution

The fourth proportional to 788,786.25, 1,182,588.89 and 255,989.31 is: 383,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,786.25 : 1,182,588.89 = 255,989.31 : x
  2. Step 2: Convert to fraction form
    788,786.25/1,182,588.89 = 255,989.31/x
  3. Step 3: Cross multiply
    788,786.25x = 1,182,588.89 × 255,989.31
  4. Step 4: Simplify right side
    788,786.25x = 302,730,112,684.82
  5. Step 5: Solve for x
    x = 302,730,112,684.82/788,786.25
  6. Step 6: Final answer
    x = 383,792.33

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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.