Home / 800,620.37-1,104,746.99-478,262.04

Finding the Fourth Proportional to 800,620.37, 1,104,746.99 and 478,262.04

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Solution

The fourth proportional to 800,620.37, 1,104,746.99 and 478,262.04 is: 659,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,620.37 : 1,104,746.99 = 478,262.04 : x
  2. Step 2: Convert to fraction form
    800,620.37/1,104,746.99 = 478,262.04/x
  3. Step 3: Cross multiply
    800,620.37x = 1,104,746.99 × 478,262.04
  4. Step 4: Simplify right side
    800,620.37x = 528,358,546,729.95
  5. Step 5: Solve for x
    x = 528,358,546,729.95/800,620.37
  6. Step 6: Final answer
    x = 659,936.43

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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.