Home / 789,389.58-1,184,010.54-220,821.83

Finding the Fourth Proportional to 789,389.58, 1,184,010.54 and 220,821.83

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Solution

The fourth proportional to 789,389.58, 1,184,010.54 and 220,821.83 is: 331,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,389.58 : 1,184,010.54 = 220,821.83 : x
  2. Step 2: Convert to fraction form
    789,389.58/1,184,010.54 = 220,821.83/x
  3. Step 3: Cross multiply
    789,389.58x = 1,184,010.54 × 220,821.83
  4. Step 4: Simplify right side
    789,389.58x = 261,455,368,262.04
  5. Step 5: Solve for x
    x = 261,455,368,262.04/789,389.58
  6. Step 6: Final answer
    x = 331,212.08

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1.5x scale

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.