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Finding the Fourth Proportional to 1,067.80, 1,473.58 and 595.70

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Solution

The fourth proportional to 1,067.80, 1,473.58 and 595.70 is: 822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.80 : 1,473.58 = 595.70 : x
  2. Step 2: Convert to fraction form
    1,067.80/1,473.58 = 595.70/x
  3. Step 3: Cross multiply
    1,067.80x = 1,473.58 × 595.70
  4. Step 4: Simplify right side
    1,067.80x = 877,811.61
  5. Step 5: Solve for x
    x = 877,811.61/1,067.80
  6. Step 6: Final answer
    x = 822.07

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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.