Home / 689,944.22-952,132.04-379,882.87

Finding the Fourth Proportional to 689,944.22, 952,132.04 and 379,882.87

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Solution

The fourth proportional to 689,944.22, 952,132.04 and 379,882.87 is: 524,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,944.22 : 952,132.04 = 379,882.87 : x
  2. Step 2: Convert to fraction form
    689,944.22/952,132.04 = 379,882.87/x
  3. Step 3: Cross multiply
    689,944.22x = 952,132.04 × 379,882.87
  4. Step 4: Simplify right side
    689,944.22x = 361,698,649,118.97
  5. Step 5: Solve for x
    x = 361,698,649,118.97/689,944.22
  6. Step 6: Final answer
    x = 524,243.32

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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.