Home / 459,819.36-634,190.64-298,725.96

Finding the Fourth Proportional to 459,819.36, 634,190.64 and 298,725.96

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Solution

The fourth proportional to 459,819.36, 634,190.64 and 298,725.96 is: 412,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,819.36 : 634,190.64 = 298,725.96 : x
  2. Step 2: Convert to fraction form
    459,819.36/634,190.64 = 298,725.96/x
  3. Step 3: Cross multiply
    459,819.36x = 634,190.64 × 298,725.96
  4. Step 4: Simplify right side
    459,819.36x = 189,449,207,757.01
  5. Step 5: Solve for x
    x = 189,449,207,757.01/459,819.36
  6. Step 6: Final answer
    x = 412,007.90

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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.