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Finding the Fourth Proportional to 576,550.08, 795,638.88 and 321,901.20

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Solution

The fourth proportional to 576,550.08, 795,638.88 and 321,901.20 is: 444,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,550.08 : 795,638.88 = 321,901.20 : x
  2. Step 2: Convert to fraction form
    576,550.08/795,638.88 = 321,901.20/x
  3. Step 3: Cross multiply
    576,550.08x = 795,638.88 × 321,901.20
  4. Step 4: Simplify right side
    576,550.08x = 256,117,110,238.66
  5. Step 5: Solve for x
    x = 256,117,110,238.66/576,550.08
  6. Step 6: Final answer
    x = 444,223.53

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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.