Home / 828,125.48-1,242,188.52-259,550.70

Finding the Fourth Proportional to 828,125.48, 1,242,188.52 and 259,550.70

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Solution

The fourth proportional to 828,125.48, 1,242,188.52 and 259,550.70 is: 389,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,125.48 : 1,242,188.52 = 259,550.70 : x
  2. Step 2: Convert to fraction form
    828,125.48/1,242,188.52 = 259,550.70/x
  3. Step 3: Cross multiply
    828,125.48x = 1,242,188.52 × 259,550.70
  4. Step 4: Simplify right side
    828,125.48x = 322,410,899,897.96
  5. Step 5: Solve for x
    x = 322,410,899,897.96/828,125.48
  6. Step 6: Final answer
    x = 389,326.14

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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.