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Finding the Fourth Proportional to 636,468.44, 878,296.38 and 350,000.60

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Solution

The fourth proportional to 636,468.44, 878,296.38 and 350,000.60 is: 482,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,468.44 : 878,296.38 = 350,000.60 : x
  2. Step 2: Convert to fraction form
    636,468.44/878,296.38 = 350,000.60/x
  3. Step 3: Cross multiply
    636,468.44x = 878,296.38 × 350,000.60
  4. Step 4: Simplify right side
    636,468.44x = 307,404,259,977.83
  5. Step 5: Solve for x
    x = 307,404,259,977.83/636,468.44
  6. Step 6: Final answer
    x = 482,984.29

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1.5x scale

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.