Home / 800,607.48-1,104,729.20-478,249.14

Finding the Fourth Proportional to 800,607.48, 1,104,729.20 and 478,249.14

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Solution

The fourth proportional to 800,607.48, 1,104,729.20 and 478,249.14 is: 659,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,607.48 : 1,104,729.20 = 478,249.14 : x
  2. Step 2: Convert to fraction form
    800,607.48/1,104,729.20 = 478,249.14/x
  3. Step 3: Cross multiply
    800,607.48x = 1,104,729.20 × 478,249.14
  4. Step 4: Simplify right side
    800,607.48x = 528,335,787,441.64
  5. Step 5: Solve for x
    x = 528,335,787,441.64/800,607.48
  6. Step 6: Final answer
    x = 659,918.63

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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.