Home / 765,299.84-1,147,552.70-225,486.06

Finding the Fourth Proportional to 765,299.84, 1,147,552.70 and 225,486.06

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Solution

The fourth proportional to 765,299.84, 1,147,552.70 and 225,486.06 is: 338,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,299.84 : 1,147,552.70 = 225,486.06 : x
  2. Step 2: Convert to fraction form
    765,299.84/1,147,552.70 = 225,486.06/x
  3. Step 3: Cross multiply
    765,299.84x = 1,147,552.70 × 225,486.06
  4. Step 4: Simplify right side
    765,299.84x = 258,757,136,965.36
  5. Step 5: Solve for x
    x = 258,757,136,965.36/765,299.84
  6. Step 6: Final answer
    x = 338,112.10

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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.