Home / 789,749.21-1,184,771.46-316,471.48

Finding the Fourth Proportional to 789,749.21, 1,184,771.46 and 316,471.48

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Solution

The fourth proportional to 789,749.21, 1,184,771.46 and 316,471.48 is: 474,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,749.21 : 1,184,771.46 = 316,471.48 : x
  2. Step 2: Convert to fraction form
    789,749.21/1,184,771.46 = 316,471.48/x
  3. Step 3: Cross multiply
    789,749.21x = 1,184,771.46 × 316,471.48
  4. Step 4: Simplify right side
    789,749.21x = 374,946,371,484.10
  5. Step 5: Solve for x
    x = 374,946,371,484.10/789,749.21
  6. Step 6: Final answer
    x = 474,766.38

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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.