Home / 484,619.58-727,078.14-248,128.29

Finding the Fourth Proportional to 484,619.58, 727,078.14 and 248,128.29

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Solution

The fourth proportional to 484,619.58, 727,078.14 and 248,128.29 is: 372,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,619.58 : 727,078.14 = 248,128.29 : x
  2. Step 2: Convert to fraction form
    484,619.58/727,078.14 = 248,128.29/x
  3. Step 3: Cross multiply
    484,619.58x = 727,078.14 × 248,128.29
  4. Step 4: Simplify right side
    484,619.58x = 180,408,655,574.58
  5. Step 5: Solve for x
    x = 180,408,655,574.58/484,619.58
  6. Step 6: Final answer
    x = 372,268.61

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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.