Home / 789,804.78-1,184,481.17-257,372.34

Finding the Fourth Proportional to 789,804.78, 1,184,481.17 and 257,372.34

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Solution

The fourth proportional to 789,804.78, 1,184,481.17 and 257,372.34 is: 385,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,804.78 : 1,184,481.17 = 257,372.34 : x
  2. Step 2: Convert to fraction form
    789,804.78/1,184,481.17 = 257,372.34/x
  3. Step 3: Cross multiply
    789,804.78x = 1,184,481.17 × 257,372.34
  4. Step 4: Simplify right side
    789,804.78x = 304,852,687,093.04
  5. Step 5: Solve for x
    x = 304,852,687,093.04/789,804.78
  6. Step 6: Final answer
    x = 385,984.86

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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.