Home / 788,163.12-1,182,410.84-255,642.72

Finding the Fourth Proportional to 788,163.12, 1,182,410.84 and 255,642.72

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Solution

The fourth proportional to 788,163.12, 1,182,410.84 and 255,642.72 is: 383,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,163.12 : 1,182,410.84 = 255,642.72 : x
  2. Step 2: Convert to fraction form
    788,163.12/1,182,410.84 = 255,642.72/x
  3. Step 3: Cross multiply
    788,163.12x = 1,182,410.84 × 255,642.72
  4. Step 4: Simplify right side
    788,163.12x = 302,274,723,295.09
  5. Step 5: Solve for x
    x = 302,274,723,295.09/788,163.12
  6. Step 6: Final answer
    x = 383,517.97

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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.