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Finding the Fourth Proportional to 576,450.40, 795,419.28 and 321,796

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Solution

The fourth proportional to 576,450.40, 795,419.28 and 321,796 is: 444,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,450.40 : 795,419.28 = 321,796 : x
  2. Step 2: Convert to fraction form
    576,450.40/795,419.28 = 321,796/x
  3. Step 3: Cross multiply
    576,450.40x = 795,419.28 × 321,796
  4. Step 4: Simplify right side
    576,450.40x = 255,962,742,626.88
  5. Step 5: Solve for x
    x = 255,962,742,626.88/576,450.40
  6. Step 6: Final answer
    x = 444,032.55

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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.