Home / 780,942.32-1,170,969.60-307,370.96

Finding the Fourth Proportional to 780,942.32, 1,170,969.60 and 307,370.96

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Solution

The fourth proportional to 780,942.32, 1,170,969.60 and 307,370.96 is: 460,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,942.32 : 1,170,969.60 = 307,370.96 : x
  2. Step 2: Convert to fraction form
    780,942.32/1,170,969.60 = 307,370.96/x
  3. Step 3: Cross multiply
    780,942.32x = 1,170,969.60 × 307,370.96
  4. Step 4: Simplify right side
    780,942.32x = 359,922,050,082.82
  5. Step 5: Solve for x
    x = 359,922,050,082.82/780,942.32
  6. Step 6: Final answer
    x = 460,881.73

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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.