Home / 502,962.72-694,097-288,121.56

Finding the Fourth Proportional to 502,962.72, 694,097 and 288,121.56

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Solution

The fourth proportional to 502,962.72, 694,097 and 288,121.56 is: 397,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,962.72 : 694,097 = 288,121.56 : x
  2. Step 2: Convert to fraction form
    502,962.72/694,097 = 288,121.56/x
  3. Step 3: Cross multiply
    502,962.72x = 694,097 × 288,121.56
  4. Step 4: Simplify right side
    502,962.72x = 199,984,310,431.32
  5. Step 5: Solve for x
    x = 199,984,310,431.32/502,962.72
  6. Step 6: Final answer
    x = 397,612.59

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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.