Home / 781,571.86-1,171,745.32-308,611.24

Finding the Fourth Proportional to 781,571.86, 1,171,745.32 and 308,611.24

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Solution

The fourth proportional to 781,571.86, 1,171,745.32 and 308,611.24 is: 462,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,571.86 : 1,171,745.32 = 308,611.24 : x
  2. Step 2: Convert to fraction form
    781,571.86/1,171,745.32 = 308,611.24/x
  3. Step 3: Cross multiply
    781,571.86x = 1,171,745.32 × 308,611.24
  4. Step 4: Simplify right side
    781,571.86x = 361,613,776,169.40
  5. Step 5: Solve for x
    x = 361,613,776,169.40/781,571.86
  6. Step 6: Final answer
    x = 462,675.02

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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.