Home / 609,786.84-913,682.40-369,171.48

Finding the Fourth Proportional to 609,786.84, 913,682.40 and 369,171.48

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Solution

The fourth proportional to 609,786.84, 913,682.40 and 369,171.48 is: 553,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,786.84 : 913,682.40 = 369,171.48 : x
  2. Step 2: Convert to fraction form
    609,786.84/913,682.40 = 369,171.48/x
  3. Step 3: Cross multiply
    609,786.84x = 913,682.40 × 369,171.48
  4. Step 4: Simplify right side
    609,786.84x = 337,305,483,857.95
  5. Step 5: Solve for x
    x = 337,305,483,857.95/609,786.84
  6. Step 6: Final answer
    x = 553,153.10

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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.