Home / 842,786.82-1,264,367.54-393,262.49

Finding the Fourth Proportional to 842,786.82, 1,264,367.54 and 393,262.49

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Solution

The fourth proportional to 842,786.82, 1,264,367.54 and 393,262.49 is: 589,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,786.82 : 1,264,367.54 = 393,262.49 : x
  2. Step 2: Convert to fraction form
    842,786.82/1,264,367.54 = 393,262.49/x
  3. Step 3: Cross multiply
    842,786.82x = 1,264,367.54 × 393,262.49
  4. Step 4: Simplify right side
    842,786.82x = 497,228,331,199.65
  5. Step 5: Solve for x
    x = 497,228,331,199.65/842,786.82
  6. Step 6: Final answer
    x = 589,981.14

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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.