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Finding the Fourth Proportional to 488,791.70, 732,968.85 and 222,415.10

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Solution

The fourth proportional to 488,791.70, 732,968.85 and 222,415.10 is: 333,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,791.70 : 732,968.85 = 222,415.10 : x
  2. Step 2: Convert to fraction form
    488,791.70/732,968.85 = 222,415.10/x
  3. Step 3: Cross multiply
    488,791.70x = 732,968.85 × 222,415.10
  4. Step 4: Simplify right side
    488,791.70x = 163,023,340,069.64
  5. Step 5: Solve for x
    x = 163,023,340,069.64/488,791.70
  6. Step 6: Final answer
    x = 333,523.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.