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Finding the Fourth Proportional to 715,067.82, 985,984.92 and 456,604.92

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Solution

The fourth proportional to 715,067.82, 985,984.92 and 456,604.92 is: 629,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,067.82 : 985,984.92 = 456,604.92 : x
  2. Step 2: Convert to fraction form
    715,067.82/985,984.92 = 456,604.92/x
  3. Step 3: Cross multiply
    715,067.82x = 985,984.92 × 456,604.92
  4. Step 4: Simplify right side
    715,067.82x = 450,205,565,517.81
  5. Step 5: Solve for x
    x = 450,205,565,517.81/715,067.82
  6. Step 6: Final answer
    x = 629,598.41

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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.