Home / 843,043.06-1,163,396.82-455,855.77

Finding the Fourth Proportional to 843,043.06, 1,163,396.82 and 455,855.77

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Solution

The fourth proportional to 843,043.06, 1,163,396.82 and 455,855.77 is: 629,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,043.06 : 1,163,396.82 = 455,855.77 : x
  2. Step 2: Convert to fraction form
    843,043.06/1,163,396.82 = 455,855.77/x
  3. Step 3: Cross multiply
    843,043.06x = 1,163,396.82 × 455,855.77
  4. Step 4: Simplify right side
    843,043.06x = 530,341,153,196.65
  5. Step 5: Solve for x
    x = 530,341,153,196.65/843,043.06
  6. Step 6: Final answer
    x = 629,079.56

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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.