Home / 439,348.08-606,429.24-255,629.88

Finding the Fourth Proportional to 439,348.08, 606,429.24 and 255,629.88

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Solution

The fourth proportional to 439,348.08, 606,429.24 and 255,629.88 is: 352,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,348.08 : 606,429.24 = 255,629.88 : x
  2. Step 2: Convert to fraction form
    439,348.08/606,429.24 = 255,629.88/x
  3. Step 3: Cross multiply
    439,348.08x = 606,429.24 × 255,629.88
  4. Step 4: Simplify right side
    439,348.08x = 155,021,433,849.69
  5. Step 5: Solve for x
    x = 155,021,433,849.69/439,348.08
  6. Step 6: Final answer
    x = 352,844.23

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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.