Home / 439,882.31-607,046.84-248,895.72

Finding the Fourth Proportional to 439,882.31, 607,046.84 and 248,895.72

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Solution

The fourth proportional to 439,882.31, 607,046.84 and 248,895.72 is: 343,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,882.31 : 607,046.84 = 248,895.72 : x
  2. Step 2: Convert to fraction form
    439,882.31/607,046.84 = 248,895.72/x
  3. Step 3: Cross multiply
    439,882.31x = 607,046.84 × 248,895.72
  4. Step 4: Simplify right side
    439,882.31x = 151,091,360,004.41
  5. Step 5: Solve for x
    x = 151,091,360,004.41/439,882.31
  6. Step 6: Final answer
    x = 343,481.33

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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.