Home / 439,730.64-606,828.48-248,739.96

Finding the Fourth Proportional to 439,730.64, 606,828.48 and 248,739.96

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Solution

The fourth proportional to 439,730.64, 606,828.48 and 248,739.96 is: 343,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,730.64 : 606,828.48 = 248,739.96 : x
  2. Step 2: Convert to fraction form
    439,730.64/606,828.48 = 248,739.96/x
  3. Step 3: Cross multiply
    439,730.64x = 606,828.48 × 248,739.96
  4. Step 4: Simplify right side
    439,730.64x = 150,942,491,842.06
  5. Step 5: Solve for x
    x = 150,942,491,842.06/439,730.64
  6. Step 6: Final answer
    x = 343,261.26

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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.