Home / 502,917.01-694,004.36-285,140.34

Finding the Fourth Proportional to 502,917.01, 694,004.36 and 285,140.34

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Solution

The fourth proportional to 502,917.01, 694,004.36 and 285,140.34 is: 393,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,917.01 : 694,004.36 = 285,140.34 : x
  2. Step 2: Convert to fraction form
    502,917.01/694,004.36 = 285,140.34/x
  3. Step 3: Cross multiply
    502,917.01x = 694,004.36 × 285,140.34
  4. Step 4: Simplify right side
    502,917.01x = 197,888,636,770.23
  5. Step 5: Solve for x
    x = 197,888,636,770.23/502,917.01
  6. Step 6: Final answer
    x = 393,481.69

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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.