Home / 686,447.22-946,247.10-481,924.38

Finding the Fourth Proportional to 686,447.22, 946,247.10 and 481,924.38

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Solution

The fourth proportional to 686,447.22, 946,247.10 and 481,924.38 is: 664,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,447.22 : 946,247.10 = 481,924.38 : x
  2. Step 2: Convert to fraction form
    686,447.22/946,247.10 = 481,924.38/x
  3. Step 3: Cross multiply
    686,447.22x = 946,247.10 × 481,924.38
  4. Step 4: Simplify right side
    686,447.22x = 456,019,546,994.30
  5. Step 5: Solve for x
    x = 456,019,546,994.30/686,447.22
  6. Step 6: Final answer
    x = 664,318.44

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Double scale
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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.