Home / 502,208.02-693,145.92-284,455.72

Finding the Fourth Proportional to 502,208.02, 693,145.92 and 284,455.72

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Solution

The fourth proportional to 502,208.02, 693,145.92 and 284,455.72 is: 392,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,208.02 : 693,145.92 = 284,455.72 : x
  2. Step 2: Convert to fraction form
    502,208.02/693,145.92 = 284,455.72/x
  3. Step 3: Cross multiply
    502,208.02x = 693,145.92 × 284,455.72
  4. Step 4: Simplify right side
    502,208.02x = 197,169,321,738.66
  5. Step 5: Solve for x
    x = 197,169,321,738.66/502,208.02
  6. Step 6: Final answer
    x = 392,604.88

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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.