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Finding the Fourth Proportional to 576,152.60, 795,011.56 and 321,454.58

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Solution

The fourth proportional to 576,152.60, 795,011.56 and 321,454.58 is: 443,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,152.60 : 795,011.56 = 321,454.58 : x
  2. Step 2: Convert to fraction form
    576,152.60/795,011.56 = 321,454.58/x
  3. Step 3: Cross multiply
    576,152.60x = 795,011.56 × 321,454.58
  4. Step 4: Simplify right side
    576,152.60x = 255,560,102,336.25
  5. Step 5: Solve for x
    x = 255,560,102,336.25/576,152.60
  6. Step 6: Final answer
    x = 443,563.22

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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.