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Finding the Fourth Proportional to 576,294.35, 795,212.84 and 321,656.27

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Solution

The fourth proportional to 576,294.35, 795,212.84 and 321,656.27 is: 443,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,294.35 : 795,212.84 = 321,656.27 : x
  2. Step 2: Convert to fraction form
    576,294.35/795,212.84 = 321,656.27/x
  3. Step 3: Cross multiply
    576,294.35x = 795,212.84 × 321,656.27
  4. Step 4: Simplify right side
    576,294.35x = 255,785,192,798.58
  5. Step 5: Solve for x
    x = 255,785,192,798.58/576,294.35
  6. Step 6: Final answer
    x = 443,844.70

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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.