Home / 502,768.05-693,969.48-288,051.09

Finding the Fourth Proportional to 502,768.05, 693,969.48 and 288,051.09

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Solution

The fourth proportional to 502,768.05, 693,969.48 and 288,051.09 is: 397,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,768.05 : 693,969.48 = 288,051.09 : x
  2. Step 2: Convert to fraction form
    502,768.05/693,969.48 = 288,051.09/x
  3. Step 3: Cross multiply
    502,768.05x = 693,969.48 × 288,051.09
  4. Step 4: Simplify right side
    502,768.05x = 199,898,665,140.73
  5. Step 5: Solve for x
    x = 199,898,665,140.73/502,768.05
  6. Step 6: Final answer
    x = 397,596.20

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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.