Home / 458,334.08-687,490.52-269,989.24

Finding the Fourth Proportional to 458,334.08, 687,490.52 and 269,989.24

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Solution

The fourth proportional to 458,334.08, 687,490.52 and 269,989.24 is: 404,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,334.08 : 687,490.52 = 269,989.24 : x
  2. Step 2: Convert to fraction form
    458,334.08/687,490.52 = 269,989.24/x
  3. Step 3: Cross multiply
    458,334.08x = 687,490.52 × 269,989.24
  4. Step 4: Simplify right side
    458,334.08x = 185,615,043,002.01
  5. Step 5: Solve for x
    x = 185,615,043,002.01/458,334.08
  6. Step 6: Final answer
    x = 404,977.62

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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.