Home / 930,300.43-1,394,564.88-298,771.38

Finding the Fourth Proportional to 930,300.43, 1,394,564.88 and 298,771.38

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Solution

The fourth proportional to 930,300.43, 1,394,564.88 and 298,771.38 is: 447,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,300.43 : 1,394,564.88 = 298,771.38 : x
  2. Step 2: Convert to fraction form
    930,300.43/1,394,564.88 = 298,771.38/x
  3. Step 3: Cross multiply
    930,300.43x = 1,394,564.88 × 298,771.38
  4. Step 4: Simplify right side
    930,300.43x = 416,656,073,697.13
  5. Step 5: Solve for x
    x = 416,656,073,697.13/930,300.43
  6. Step 6: Final answer
    x = 447,872.60

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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.