Home / 667,769.87-1,001,934.92-288,495.37

Finding the Fourth Proportional to 667,769.87, 1,001,934.92 and 288,495.37

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Solution

The fourth proportional to 667,769.87, 1,001,934.92 and 288,495.37 is: 432,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,769.87 : 1,001,934.92 = 288,495.37 : x
  2. Step 2: Convert to fraction form
    667,769.87/1,001,934.92 = 288,495.37/x
  3. Step 3: Cross multiply
    667,769.87x = 1,001,934.92 × 288,495.37
  4. Step 4: Simplify right side
    667,769.87x = 289,053,587,637.82
  5. Step 5: Solve for x
    x = 289,053,587,637.82/667,769.87
  6. Step 6: Final answer
    x = 432,864.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.