Home / 828,224.86-1,242,352.83-259,593.40

Finding the Fourth Proportional to 828,224.86, 1,242,352.83 and 259,593.40

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Solution

The fourth proportional to 828,224.86, 1,242,352.83 and 259,593.40 is: 389,394.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,224.86 : 1,242,352.83 = 259,593.40 : x
  2. Step 2: Convert to fraction form
    828,224.86/1,242,352.83 = 259,593.40/x
  3. Step 3: Cross multiply
    828,224.86x = 1,242,352.83 × 259,593.40
  4. Step 4: Simplify right side
    828,224.86x = 322,506,595,139.32
  5. Step 5: Solve for x
    x = 322,506,595,139.32/828,224.86
  6. Step 6: Final answer
    x = 389,394.97

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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.