Home / 800,598.28-1,104,618.18-478,166.44

Finding the Fourth Proportional to 800,598.28, 1,104,618.18 and 478,166.44

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Solution

The fourth proportional to 800,598.28, 1,104,618.18 and 478,166.44 is: 659,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,598.28 : 1,104,618.18 = 478,166.44 : x
  2. Step 2: Convert to fraction form
    800,598.28/1,104,618.18 = 478,166.44/x
  3. Step 3: Cross multiply
    800,598.28x = 1,104,618.18 × 478,166.44
  4. Step 4: Simplify right side
    800,598.28x = 528,191,342,689.88
  5. Step 5: Solve for x
    x = 528,191,342,689.88/800,598.28
  6. Step 6: Final answer
    x = 659,745.79

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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.