Home / 787,381.54-1,181,093.85-218,764.26

Finding the Fourth Proportional to 787,381.54, 1,181,093.85 and 218,764.26

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Solution

The fourth proportional to 787,381.54, 1,181,093.85 and 218,764.26 is: 328,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,381.54 : 1,181,093.85 = 218,764.26 : x
  2. Step 2: Convert to fraction form
    787,381.54/1,181,093.85 = 218,764.26/x
  3. Step 3: Cross multiply
    787,381.54x = 1,181,093.85 × 218,764.26
  4. Step 4: Simplify right side
    787,381.54x = 258,381,122,085.80
  5. Step 5: Solve for x
    x = 258,381,122,085.80/787,381.54
  6. Step 6: Final answer
    x = 328,152.38

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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.