Home / 843,029.11-1,163,379.34-455,843.60

Finding the Fourth Proportional to 843,029.11, 1,163,379.34 and 455,843.60

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Solution

The fourth proportional to 843,029.11, 1,163,379.34 and 455,843.60 is: 629,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,029.11 : 1,163,379.34 = 455,843.60 : x
  2. Step 2: Convert to fraction form
    843,029.11/1,163,379.34 = 455,843.60/x
  3. Step 3: Cross multiply
    843,029.11x = 1,163,379.34 × 455,843.60
  4. Step 4: Simplify right side
    843,029.11x = 530,319,030,559.28
  5. Step 5: Solve for x
    x = 530,319,030,559.28/843,029.11
  6. Step 6: Final answer
    x = 629,063.72

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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.