Home / 800,731.32-1,104,960.60-456,519.12

Finding the Fourth Proportional to 800,731.32, 1,104,960.60 and 456,519.12

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Solution

The fourth proportional to 800,731.32, 1,104,960.60 and 456,519.12 is: 629,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,731.32 : 1,104,960.60 = 456,519.12 : x
  2. Step 2: Convert to fraction form
    800,731.32/1,104,960.60 = 456,519.12/x
  3. Step 3: Cross multiply
    800,731.32x = 1,104,960.60 × 456,519.12
  4. Step 4: Simplify right side
    800,731.32x = 504,435,640,746.67
  5. Step 5: Solve for x
    x = 504,435,640,746.67/800,731.32
  6. Step 6: Final answer
    x = 629,968.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.