Home / 495,861.90-684,286.74-281,042.58

Finding the Fourth Proportional to 495,861.90, 684,286.74 and 281,042.58

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Solution

The fourth proportional to 495,861.90, 684,286.74 and 281,042.58 is: 387,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,861.90 : 684,286.74 = 281,042.58 : x
  2. Step 2: Convert to fraction form
    495,861.90/684,286.74 = 281,042.58/x
  3. Step 3: Cross multiply
    495,861.90x = 684,286.74 × 281,042.58
  4. Step 4: Simplify right side
    495,861.90x = 192,313,710,869.39
  5. Step 5: Solve for x
    x = 192,313,710,869.39/495,861.90
  6. Step 6: Final answer
    x = 387,837.24

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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.