Home / 495,874.12-684,310.80-269,520.16

Finding the Fourth Proportional to 495,874.12, 684,310.80 and 269,520.16

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Solution

The fourth proportional to 495,874.12, 684,310.80 and 269,520.16 is: 371,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,874.12 : 684,310.80 = 269,520.16 : x
  2. Step 2: Convert to fraction form
    495,874.12/684,310.80 = 269,520.16/x
  3. Step 3: Cross multiply
    495,874.12x = 684,310.80 × 269,520.16
  4. Step 4: Simplify right side
    495,874.12x = 184,435,556,305.73
  5. Step 5: Solve for x
    x = 184,435,556,305.73/495,874.12
  6. Step 6: Final answer
    x = 371,940.27

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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.