Home / 502,922.31-694,011.67-285,145.64

Finding the Fourth Proportional to 502,922.31, 694,011.67 and 285,145.64

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Solution

The fourth proportional to 502,922.31, 694,011.67 and 285,145.64 is: 393,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,922.31 : 694,011.67 = 285,145.64 : x
  2. Step 2: Convert to fraction form
    502,922.31/694,011.67 = 285,145.64/x
  3. Step 3: Cross multiply
    502,922.31x = 694,011.67 × 285,145.64
  4. Step 4: Simplify right side
    502,922.31x = 197,894,396,913.83
  5. Step 5: Solve for x
    x = 197,894,396,913.83/502,922.31
  6. Step 6: Final answer
    x = 393,489.00

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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.