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Finding the Fourth Proportional to 768,680.37, 1,060,697.97 and 446,327.37

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Solution

The fourth proportional to 768,680.37, 1,060,697.97 and 446,327.37 is: 615,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,680.37 : 1,060,697.97 = 446,327.37 : x
  2. Step 2: Convert to fraction form
    768,680.37/1,060,697.97 = 446,327.37/x
  3. Step 3: Cross multiply
    768,680.37x = 1,060,697.97 × 446,327.37
  4. Step 4: Simplify right side
    768,680.37x = 473,418,535,314.44
  5. Step 5: Solve for x
    x = 473,418,535,314.44/768,680.37
  6. Step 6: Final answer
    x = 615,884.77

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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.