Home / 862,694.91-1,293,902.08-407,285.27

Finding the Fourth Proportional to 862,694.91, 1,293,902.08 and 407,285.27

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Solution

The fourth proportional to 862,694.91, 1,293,902.08 and 407,285.27 is: 610,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,694.91 : 1,293,902.08 = 407,285.27 : x
  2. Step 2: Convert to fraction form
    862,694.91/1,293,902.08 = 407,285.27/x
  3. Step 3: Cross multiply
    862,694.91x = 1,293,902.08 × 407,285.27
  4. Step 4: Simplify right side
    862,694.91x = 526,987,258,006.36
  5. Step 5: Solve for x
    x = 526,987,258,006.36/862,694.91
  6. Step 6: Final answer
    x = 610,861.68

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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.