Home / 654,334.38-980,801.73-298,815.66

Finding the Fourth Proportional to 654,334.38, 980,801.73 and 298,815.66

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Solution

The fourth proportional to 654,334.38, 980,801.73 and 298,815.66 is: 447,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,334.38 : 980,801.73 = 298,815.66 : x
  2. Step 2: Convert to fraction form
    654,334.38/980,801.73 = 298,815.66/x
  3. Step 3: Cross multiply
    654,334.38x = 980,801.73 × 298,815.66
  4. Step 4: Simplify right side
    654,334.38x = 293,078,916,279.09
  5. Step 5: Solve for x
    x = 293,078,916,279.09/654,334.38
  6. Step 6: Final answer
    x = 447,903.89

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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.