Home / 770,116.82-1,155,252.38-264,611.21

Finding the Fourth Proportional to 770,116.82, 1,155,252.38 and 264,611.21

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Solution

The fourth proportional to 770,116.82, 1,155,252.38 and 264,611.21 is: 396,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,116.82 : 1,155,252.38 = 264,611.21 : x
  2. Step 2: Convert to fraction form
    770,116.82/1,155,252.38 = 264,611.21/x
  3. Step 3: Cross multiply
    770,116.82x = 1,155,252.38 × 264,611.21
  4. Step 4: Simplify right side
    770,116.82x = 305,692,723,027.86
  5. Step 5: Solve for x
    x = 305,692,723,027.86/770,116.82
  6. Step 6: Final answer
    x = 396,943.32

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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.