Home / 502,933.48-693,995.70-288,082.60

Finding the Fourth Proportional to 502,933.48, 693,995.70 and 288,082.60

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Solution

The fourth proportional to 502,933.48, 693,995.70 and 288,082.60 is: 397,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,933.48 : 693,995.70 = 288,082.60 : x
  2. Step 2: Convert to fraction form
    502,933.48/693,995.70 = 288,082.60/x
  3. Step 3: Cross multiply
    502,933.48x = 693,995.70 × 288,082.60
  4. Step 4: Simplify right side
    502,933.48x = 199,928,085,644.82
  5. Step 5: Solve for x
    x = 199,928,085,644.82/502,933.48
  6. Step 6: Final answer
    x = 397,523.91

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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.