Home / 495,758.28-684,143.20-269,403.78

Finding the Fourth Proportional to 495,758.28, 684,143.20 and 269,403.78

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Solution

The fourth proportional to 495,758.28, 684,143.20 and 269,403.78 is: 371,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,758.28 : 684,143.20 = 269,403.78 : x
  2. Step 2: Convert to fraction form
    495,758.28/684,143.20 = 269,403.78/x
  3. Step 3: Cross multiply
    495,758.28x = 684,143.20 × 269,403.78
  4. Step 4: Simplify right side
    495,758.28x = 184,310,764,141.30
  5. Step 5: Solve for x
    x = 184,310,764,141.30/495,758.28
  6. Step 6: Final answer
    x = 371,775.46

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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.