Home / 693,641.04-957,221.87-387,717.09

Finding the Fourth Proportional to 693,641.04, 957,221.87 and 387,717.09

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Solution

The fourth proportional to 693,641.04, 957,221.87 and 387,717.09 is: 535,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,641.04 : 957,221.87 = 387,717.09 : x
  2. Step 2: Convert to fraction form
    693,641.04/957,221.87 = 387,717.09/x
  3. Step 3: Cross multiply
    693,641.04x = 957,221.87 × 387,717.09
  4. Step 4: Simplify right side
    693,641.04x = 371,131,275,982.17
  5. Step 5: Solve for x
    x = 371,131,275,982.17/693,641.04
  6. Step 6: Final answer
    x = 535,048.04

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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.