Home / 788,179.77-1,182,435.78-255,659.37

Finding the Fourth Proportional to 788,179.77, 1,182,435.78 and 255,659.37

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Solution

The fourth proportional to 788,179.77, 1,182,435.78 and 255,659.37 is: 383,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,179.77 : 1,182,435.78 = 255,659.37 : x
  2. Step 2: Convert to fraction form
    788,179.77/1,182,435.78 = 255,659.37/x
  3. Step 3: Cross multiply
    788,179.77x = 1,182,435.78 × 255,659.37
  4. Step 4: Simplify right side
    788,179.77x = 302,300,786,580.26
  5. Step 5: Solve for x
    x = 302,300,786,580.26/788,179.77
  6. Step 6: Final answer
    x = 383,542.94

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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.