Home / 664,968.39-997,944.81-494,579.22

Finding the Fourth Proportional to 664,968.39, 997,944.81 and 494,579.22

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Solution

The fourth proportional to 664,968.39, 997,944.81 and 494,579.22 is: 742,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,968.39 : 997,944.81 = 494,579.22 : x
  2. Step 2: Convert to fraction form
    664,968.39/997,944.81 = 494,579.22/x
  3. Step 3: Cross multiply
    664,968.39x = 997,944.81 × 494,579.22
  4. Step 4: Simplify right side
    664,968.39x = 493,562,760,135.88
  5. Step 5: Solve for x
    x = 493,562,760,135.88/664,968.39
  6. Step 6: Final answer
    x = 742,234.92

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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.