Home / 985,575.92-1,478,546.36-311,826.83

Finding the Fourth Proportional to 985,575.92, 1,478,546.36 and 311,826.83

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Solution

The fourth proportional to 985,575.92, 1,478,546.36 and 311,826.83 is: 467,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,575.92 : 1,478,546.36 = 311,826.83 : x
  2. Step 2: Convert to fraction form
    985,575.92/1,478,546.36 = 311,826.83/x
  3. Step 3: Cross multiply
    985,575.92x = 1,478,546.36 × 311,826.83
  4. Step 4: Simplify right side
    985,575.92x = 461,050,415,494.97
  5. Step 5: Solve for x
    x = 461,050,415,494.97/985,575.92
  6. Step 6: Final answer
    x = 467,797.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.