Home / 439,909.28-607,087.59-248,918.57

Finding the Fourth Proportional to 439,909.28, 607,087.59 and 248,918.57

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Solution

The fourth proportional to 439,909.28, 607,087.59 and 248,918.57 is: 343,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,909.28 : 607,087.59 = 248,918.57 : x
  2. Step 2: Convert to fraction form
    439,909.28/607,087.59 = 248,918.57/x
  3. Step 3: Cross multiply
    439,909.28x = 607,087.59 × 248,918.57
  4. Step 4: Simplify right side
    439,909.28x = 151,115,371,732.11
  5. Step 5: Solve for x
    x = 151,115,371,732.11/439,909.28
  6. Step 6: Final answer
    x = 343,514.86

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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.