Home / 930,420.38-1,394,744.16-298,890.92

Finding the Fourth Proportional to 930,420.38, 1,394,744.16 and 298,890.92

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Solution

The fourth proportional to 930,420.38, 1,394,744.16 and 298,890.92 is: 448,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,420.38 : 1,394,744.16 = 298,890.92 : x
  2. Step 2: Convert to fraction form
    930,420.38/1,394,744.16 = 298,890.92/x
  3. Step 3: Cross multiply
    930,420.38x = 1,394,744.16 × 298,890.92
  4. Step 4: Simplify right side
    930,420.38x = 416,876,365,147.03
  5. Step 5: Solve for x
    x = 416,876,365,147.03/930,420.38
  6. Step 6: Final answer
    x = 448,051.63

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Double scale
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1.5x scale

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.