Home / 789,712.31-1,184,291.33-220,940.59

Finding the Fourth Proportional to 789,712.31, 1,184,291.33 and 220,940.59

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Solution

The fourth proportional to 789,712.31, 1,184,291.33 and 220,940.59 is: 331,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,712.31 : 1,184,291.33 = 220,940.59 : x
  2. Step 2: Convert to fraction form
    789,712.31/1,184,291.33 = 220,940.59/x
  3. Step 3: Cross multiply
    789,712.31x = 1,184,291.33 × 220,940.59
  4. Step 4: Simplify right side
    789,712.31x = 261,658,021,249.17
  5. Step 5: Solve for x
    x = 261,658,021,249.17/789,712.31
  6. Step 6: Final answer
    x = 331,333.35

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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.