Home / 865,207.27-1,296,957.96-303,848.11

Finding the Fourth Proportional to 865,207.27, 1,296,957.96 and 303,848.11

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Solution

The fourth proportional to 865,207.27, 1,296,957.96 and 303,848.11 is: 455,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,207.27 : 1,296,957.96 = 303,848.11 : x
  2. Step 2: Convert to fraction form
    865,207.27/1,296,957.96 = 303,848.11/x
  3. Step 3: Cross multiply
    865,207.27x = 1,296,957.96 × 303,848.11
  4. Step 4: Simplify right side
    865,207.27x = 394,078,226,516.65
  5. Step 5: Solve for x
    x = 394,078,226,516.65/865,207.27
  6. Step 6: Final answer
    x = 455,472.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.