Home / 451,949.10-623,981.93-280,049.48

Finding the Fourth Proportional to 451,949.10, 623,981.93 and 280,049.48

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Solution

The fourth proportional to 451,949.10, 623,981.93 and 280,049.48 is: 386,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,949.10 : 623,981.93 = 280,049.48 : x
  2. Step 2: Convert to fraction form
    451,949.10/623,981.93 = 280,049.48/x
  3. Step 3: Cross multiply
    451,949.10x = 623,981.93 × 280,049.48
  4. Step 4: Simplify right side
    451,949.10x = 174,745,815,025.90
  5. Step 5: Solve for x
    x = 174,745,815,025.90/451,949.10
  6. Step 6: Final answer
    x = 386,649.33

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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.