Home / 788,009.82-1,181,940.85-255,535.46

Finding the Fourth Proportional to 788,009.82, 1,181,940.85 and 255,535.46

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Solution

The fourth proportional to 788,009.82, 1,181,940.85 and 255,535.46 is: 383,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,009.82 : 1,181,940.85 = 255,535.46 : x
  2. Step 2: Convert to fraction form
    788,009.82/1,181,940.85 = 255,535.46/x
  3. Step 3: Cross multiply
    788,009.82x = 1,181,940.85 × 255,535.46
  4. Step 4: Simplify right side
    788,009.82x = 302,027,795,842.69
  5. Step 5: Solve for x
    x = 302,027,795,842.69/788,009.82
  6. Step 6: Final answer
    x = 383,279.23

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1.5x scale

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.