Home / 789,591.92-1,184,122.65-256,987.68

Finding the Fourth Proportional to 789,591.92, 1,184,122.65 and 256,987.68

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Solution

The fourth proportional to 789,591.92, 1,184,122.65 and 256,987.68 is: 385,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,591.92 : 1,184,122.65 = 256,987.68 : x
  2. Step 2: Convert to fraction form
    789,591.92/1,184,122.65 = 256,987.68/x
  3. Step 3: Cross multiply
    789,591.92x = 1,184,122.65 × 256,987.68
  4. Step 4: Simplify right side
    789,591.92x = 304,304,932,658.95
  5. Step 5: Solve for x
    x = 304,304,932,658.95/789,591.92
  6. Step 6: Final answer
    x = 385,395.20

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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.