Home / 800,603.28-1,104,625.08-478,171.44

Finding the Fourth Proportional to 800,603.28, 1,104,625.08 and 478,171.44

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Solution

The fourth proportional to 800,603.28, 1,104,625.08 and 478,171.44 is: 659,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,603.28 : 1,104,625.08 = 478,171.44 : x
  2. Step 2: Convert to fraction form
    800,603.28/1,104,625.08 = 478,171.44/x
  3. Step 3: Cross multiply
    800,603.28x = 1,104,625.08 × 478,171.44
  4. Step 4: Simplify right side
    800,603.28x = 528,200,165,163.72
  5. Step 5: Solve for x
    x = 528,200,165,163.72/800,603.28
  6. Step 6: Final answer
    x = 659,752.69

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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.