Home / 729,017.20-1,093,525.80-687,682.90

Finding the Fourth Proportional to 729,017.20, 1,093,525.80 and 687,682.90

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Solution

The fourth proportional to 729,017.20, 1,093,525.80 and 687,682.90 is: 1,031,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,017.20 : 1,093,525.80 = 687,682.90 : x
  2. Step 2: Convert to fraction form
    729,017.20/1,093,525.80 = 687,682.90/x
  3. Step 3: Cross multiply
    729,017.20x = 1,093,525.80 × 687,682.90
  4. Step 4: Simplify right side
    729,017.20x = 751,998,993,368.82
  5. Step 5: Solve for x
    x = 751,998,993,368.82/729,017.20
  6. Step 6: Final answer
    x = 1,031,524.35

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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.