Home / 488,113.92-673,481.25-284,041.31

Finding the Fourth Proportional to 488,113.92, 673,481.25 and 284,041.31

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Solution

The fourth proportional to 488,113.92, 673,481.25 and 284,041.31 is: 391,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,113.92 : 673,481.25 = 284,041.31 : x
  2. Step 2: Convert to fraction form
    488,113.92/673,481.25 = 284,041.31/x
  3. Step 3: Cross multiply
    488,113.92x = 673,481.25 × 284,041.31
  4. Step 4: Simplify right side
    488,113.92x = 191,296,493,143.03
  5. Step 5: Solve for x
    x = 191,296,493,143.03/488,113.92
  6. Step 6: Final answer
    x = 391,909.52

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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.