Home / 789,899.92-1,184,933.31-257,462.62

Finding the Fourth Proportional to 789,899.92, 1,184,933.31 and 257,462.62

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Solution

The fourth proportional to 789,899.92, 1,184,933.31 and 257,462.62 is: 386,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,899.92 : 1,184,933.31 = 257,462.62 : x
  2. Step 2: Convert to fraction form
    789,899.92/1,184,933.31 = 257,462.62/x
  3. Step 3: Cross multiply
    789,899.92x = 1,184,933.31 × 257,462.62
  4. Step 4: Simplify right side
    789,899.92x = 305,076,030,590.05
  5. Step 5: Solve for x
    x = 305,076,030,590.05/789,899.92
  6. Step 6: Final answer
    x = 386,221.12

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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.