Home / 828,125.44-1,242,188.32-259,506.42

Finding the Fourth Proportional to 828,125.44, 1,242,188.32 and 259,506.42

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Solution

The fourth proportional to 828,125.44, 1,242,188.32 and 259,506.42 is: 389,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,125.44 : 1,242,188.32 = 259,506.42 : x
  2. Step 2: Convert to fraction form
    828,125.44/1,242,188.32 = 259,506.42/x
  3. Step 3: Cross multiply
    828,125.44x = 1,242,188.32 × 259,506.42
  4. Step 4: Simplify right side
    828,125.44x = 322,355,843,889.01
  5. Step 5: Solve for x
    x = 322,355,843,889.01/828,125.44
  6. Step 6: Final answer
    x = 389,259.68

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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.