Home / 789,894.72-1,184,925.52-257,457.44

Finding the Fourth Proportional to 789,894.72, 1,184,925.52 and 257,457.44

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Solution

The fourth proportional to 789,894.72, 1,184,925.52 and 257,457.44 is: 386,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,894.72 : 1,184,925.52 = 257,457.44 : x
  2. Step 2: Convert to fraction form
    789,894.72/1,184,925.52 = 257,457.44/x
  3. Step 3: Cross multiply
    789,894.72x = 1,184,925.52 × 257,457.44
  4. Step 4: Simplify right side
    789,894.72x = 305,067,890,969.87
  5. Step 5: Solve for x
    x = 305,067,890,969.87/789,894.72
  6. Step 6: Final answer
    x = 386,213.36

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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.