Home / 495,789.40-684,174.54-269,435.32

Finding the Fourth Proportional to 495,789.40, 684,174.54 and 269,435.32

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Solution

The fourth proportional to 495,789.40, 684,174.54 and 269,435.32 is: 371,812.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,789.40 : 684,174.54 = 269,435.32 : x
  2. Step 2: Convert to fraction form
    495,789.40/684,174.54 = 269,435.32/x
  3. Step 3: Cross multiply
    495,789.40x = 684,174.54 × 269,435.32
  4. Step 4: Simplify right side
    495,789.40x = 184,340,786,120.75
  5. Step 5: Solve for x
    x = 184,340,786,120.75/495,789.40
  6. Step 6: Final answer
    x = 371,812.68

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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.