Home / 828,243.56-1,242,329.18-259,611.68

Finding the Fourth Proportional to 828,243.56, 1,242,329.18 and 259,611.68

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Solution

The fourth proportional to 828,243.56, 1,242,329.18 and 259,611.68 is: 389,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,243.56 : 1,242,329.18 = 259,611.68 : x
  2. Step 2: Convert to fraction form
    828,243.56/1,242,329.18 = 259,611.68/x
  3. Step 3: Cross multiply
    828,243.56x = 1,242,329.18 × 259,611.68
  4. Step 4: Simplify right side
    828,243.56x = 322,523,165,532.82
  5. Step 5: Solve for x
    x = 322,523,165,532.82/828,243.56
  6. Step 6: Final answer
    x = 389,406.19

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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.