Home / 638,287.58-957,722.03-238,959.47

Finding the Fourth Proportional to 638,287.58, 957,722.03 and 238,959.47

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Solution

The fourth proportional to 638,287.58, 957,722.03 and 238,959.47 is: 358,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,287.58 : 957,722.03 = 238,959.47 : x
  2. Step 2: Convert to fraction form
    638,287.58/957,722.03 = 238,959.47/x
  3. Step 3: Cross multiply
    638,287.58x = 957,722.03 × 238,959.47
  4. Step 4: Simplify right side
    638,287.58x = 228,856,747,501.33
  5. Step 5: Solve for x
    x = 228,856,747,501.33/638,287.58
  6. Step 6: Final answer
    x = 358,548.02

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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.