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Finding the Fourth Proportional to 656,992.27, 906,640.86 and 370,604.62

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Solution

The fourth proportional to 656,992.27, 906,640.86 and 370,604.62 is: 511,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,992.27 : 906,640.86 = 370,604.62 : x
  2. Step 2: Convert to fraction form
    656,992.27/906,640.86 = 370,604.62/x
  3. Step 3: Cross multiply
    656,992.27x = 906,640.86 × 370,604.62
  4. Step 4: Simplify right side
    656,992.27x = 336,005,291,396.77
  5. Step 5: Solve for x
    x = 336,005,291,396.77/656,992.27
  6. Step 6: Final answer
    x = 511,429.60

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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.