Home / 685,955.47-1,028,853.01-275,608.15

Finding the Fourth Proportional to 685,955.47, 1,028,853.01 and 275,608.15

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Solution

The fourth proportional to 685,955.47, 1,028,853.01 and 275,608.15 is: 413,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,955.47 : 1,028,853.01 = 275,608.15 : x
  2. Step 2: Convert to fraction form
    685,955.47/1,028,853.01 = 275,608.15/x
  3. Step 3: Cross multiply
    685,955.47x = 1,028,853.01 × 275,608.15
  4. Step 4: Simplify right side
    685,955.47x = 283,560,271,446.88
  5. Step 5: Solve for x
    x = 283,560,271,446.88/685,955.47
  6. Step 6: Final answer
    x = 413,380.00

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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.