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Finding the Fourth Proportional to 442,907.09, 611,311.76 and 270,968.39

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Solution

The fourth proportional to 442,907.09, 611,311.76 and 270,968.39 is: 373,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,907.09 : 611,311.76 = 270,968.39 : x
  2. Step 2: Convert to fraction form
    442,907.09/611,311.76 = 270,968.39/x
  3. Step 3: Cross multiply
    442,907.09x = 611,311.76 × 270,968.39
  4. Step 4: Simplify right side
    442,907.09x = 165,646,162,292.42
  5. Step 5: Solve for x
    x = 165,646,162,292.42/442,907.09
  6. Step 6: Final answer
    x = 373,997.54

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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.