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Finding the Fourth Proportional to 577,867.58, 797,413.96 and 323,169.56

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Solution

The fourth proportional to 577,867.58, 797,413.96 and 323,169.56 is: 445,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,867.58 : 797,413.96 = 323,169.56 : x
  2. Step 2: Convert to fraction form
    577,867.58/797,413.96 = 323,169.56/x
  3. Step 3: Cross multiply
    577,867.58x = 797,413.96 × 323,169.56
  4. Step 4: Simplify right side
    577,867.58x = 257,699,919,776.67
  5. Step 5: Solve for x
    x = 257,699,919,776.67/577,867.58
  6. Step 6: Final answer
    x = 445,949.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.