Home / 925,013.48-1,387,669.94-285,167.62

Finding the Fourth Proportional to 925,013.48, 1,387,669.94 and 285,167.62

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Solution

The fourth proportional to 925,013.48, 1,387,669.94 and 285,167.62 is: 427,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,013.48 : 1,387,669.94 = 285,167.62 : x
  2. Step 2: Convert to fraction form
    925,013.48/1,387,669.94 = 285,167.62/x
  3. Step 3: Cross multiply
    925,013.48x = 1,387,669.94 × 285,167.62
  4. Step 4: Simplify right side
    925,013.48x = 395,718,525,771.16
  5. Step 5: Solve for x
    x = 395,718,525,771.16/925,013.48
  6. Step 6: Final answer
    x = 427,797.58

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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.