Home / 865,729.86-1,298,594.82-234,643.68

Finding the Fourth Proportional to 865,729.86, 1,298,594.82 and 234,643.68

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Solution

The fourth proportional to 865,729.86, 1,298,594.82 and 234,643.68 is: 351,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,729.86 : 1,298,594.82 = 234,643.68 : x
  2. Step 2: Convert to fraction form
    865,729.86/1,298,594.82 = 234,643.68/x
  3. Step 3: Cross multiply
    865,729.86x = 1,298,594.82 × 234,643.68
  4. Step 4: Simplify right side
    865,729.86x = 304,707,067,393.74
  5. Step 5: Solve for x
    x = 304,707,067,393.74/865,729.86
  6. Step 6: Final answer
    x = 351,965.53

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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.