Home / 826,208.51-1,239,371.69-345,953.03

Finding the Fourth Proportional to 826,208.51, 1,239,371.69 and 345,953.03

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Solution

The fourth proportional to 826,208.51, 1,239,371.69 and 345,953.03 is: 518,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,208.51 : 1,239,371.69 = 345,953.03 : x
  2. Step 2: Convert to fraction form
    826,208.51/1,239,371.69 = 345,953.03/x
  3. Step 3: Cross multiply
    826,208.51x = 1,239,371.69 × 345,953.03
  4. Step 4: Simplify right side
    826,208.51x = 428,764,383,525.10
  5. Step 5: Solve for x
    x = 428,764,383,525.10/826,208.51
  6. Step 6: Final answer
    x = 518,954.21

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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.