Home / 789,789.18-1,184,682.33-257,309.58

Finding the Fourth Proportional to 789,789.18, 1,184,682.33 and 257,309.58

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Solution

The fourth proportional to 789,789.18, 1,184,682.33 and 257,309.58 is: 385,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,789.18 : 1,184,682.33 = 257,309.58 : x
  2. Step 2: Convert to fraction form
    789,789.18/1,184,682.33 = 257,309.58/x
  3. Step 3: Cross multiply
    789,789.18x = 1,184,682.33 × 257,309.58
  4. Step 4: Simplify right side
    789,789.18x = 304,830,112,765.72
  5. Step 5: Solve for x
    x = 304,830,112,765.72/789,789.18
  6. Step 6: Final answer
    x = 385,963.90

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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.