Home / 427,107.07-589,556.19-245,891.23

Finding the Fourth Proportional to 427,107.07, 589,556.19 and 245,891.23

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Solution

The fourth proportional to 427,107.07, 589,556.19 and 245,891.23 is: 339,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,107.07 : 589,556.19 = 245,891.23 : x
  2. Step 2: Convert to fraction form
    427,107.07/589,556.19 = 245,891.23/x
  3. Step 3: Cross multiply
    427,107.07x = 589,556.19 × 245,891.23
  4. Step 4: Simplify right side
    427,107.07x = 144,966,693,765.43
  5. Step 5: Solve for x
    x = 144,966,693,765.43/427,107.07
  6. Step 6: Final answer
    x = 339,415.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.