Home / 916,694.72-1,265,013.04-503,231.43

Finding the Fourth Proportional to 916,694.72, 1,265,013.04 and 503,231.43

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Solution

The fourth proportional to 916,694.72, 1,265,013.04 and 503,231.43 is: 694,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,694.72 : 1,265,013.04 = 503,231.43 : x
  2. Step 2: Convert to fraction form
    916,694.72/1,265,013.04 = 503,231.43/x
  3. Step 3: Cross multiply
    916,694.72x = 1,265,013.04 × 503,231.43
  4. Step 4: Simplify right side
    916,694.72x = 636,594,321,087.85
  5. Step 5: Solve for x
    x = 636,594,321,087.85/916,694.72
  6. Step 6: Final answer
    x = 694,445.28

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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.