Home / 789,589.60-1,184,119.19-256,985.37

Finding the Fourth Proportional to 789,589.60, 1,184,119.19 and 256,985.37

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Solution

The fourth proportional to 789,589.60, 1,184,119.19 and 256,985.37 is: 385,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,589.60 : 1,184,119.19 = 256,985.37 : x
  2. Step 2: Convert to fraction form
    789,589.60/1,184,119.19 = 256,985.37/x
  3. Step 3: Cross multiply
    789,589.60x = 1,184,119.19 × 256,985.37
  4. Step 4: Simplify right side
    789,589.60x = 304,301,306,881.32
  5. Step 5: Solve for x
    x = 304,301,306,881.32/789,589.60
  6. Step 6: Final answer
    x = 385,391.74

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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.