Home / 495,211.43-684,032.83-409,516.56

Finding the Fourth Proportional to 495,211.43, 684,032.83 and 409,516.56

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Solution

The fourth proportional to 495,211.43, 684,032.83 and 409,516.56 is: 565,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,211.43 : 684,032.83 = 409,516.56 : x
  2. Step 2: Convert to fraction form
    495,211.43/684,032.83 = 409,516.56/x
  3. Step 3: Cross multiply
    495,211.43x = 684,032.83 × 409,516.56
  4. Step 4: Simplify right side
    495,211.43x = 280,122,770,444.87
  5. Step 5: Solve for x
    x = 280,122,770,444.87/495,211.43
  6. Step 6: Final answer
    x = 565,662.97

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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.