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Finding the Fourth Proportional to 576,726.80, 865,090.20 and 327,894.80

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Solution

The fourth proportional to 576,726.80, 865,090.20 and 327,894.80 is: 491,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,726.80 : 865,090.20 = 327,894.80 : x
  2. Step 2: Convert to fraction form
    576,726.80/865,090.20 = 327,894.80/x
  3. Step 3: Cross multiply
    576,726.80x = 865,090.20 × 327,894.80
  4. Step 4: Simplify right side
    576,726.80x = 283,658,578,110.96
  5. Step 5: Solve for x
    x = 283,658,578,110.96/576,726.80
  6. Step 6: Final answer
    x = 491,842.20

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Similar ratio
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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.