Home / 789,589.85-1,184,119.56-256,985.62

Finding the Fourth Proportional to 789,589.85, 1,184,119.56 and 256,985.62

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Solution

The fourth proportional to 789,589.85, 1,184,119.56 and 256,985.62 is: 385,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,589.85 : 1,184,119.56 = 256,985.62 : x
  2. Step 2: Convert to fraction form
    789,589.85/1,184,119.56 = 256,985.62/x
  3. Step 3: Cross multiply
    789,589.85x = 1,184,119.56 × 256,985.62
  4. Step 4: Simplify right side
    789,589.85x = 304,301,696,320.43
  5. Step 5: Solve for x
    x = 304,301,696,320.43/789,589.85
  6. Step 6: Final answer
    x = 385,392.11

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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.