Home / 638,450.64-957,958.07-334,772.28

Finding the Fourth Proportional to 638,450.64, 957,958.07 and 334,772.28

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Solution

The fourth proportional to 638,450.64, 957,958.07 and 334,772.28 is: 502,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,450.64 : 957,958.07 = 334,772.28 : x
  2. Step 2: Convert to fraction form
    638,450.64/957,958.07 = 334,772.28/x
  3. Step 3: Cross multiply
    638,450.64x = 957,958.07 × 334,772.28
  4. Step 4: Simplify right side
    638,450.64x = 320,697,805,564.44
  5. Step 5: Solve for x
    x = 320,697,805,564.44/638,450.64
  6. Step 6: Final answer
    x = 502,306.34

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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.