Home / 936,540.45-1,404,849.98-296,830.20

Finding the Fourth Proportional to 936,540.45, 1,404,849.98 and 296,830.20

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Solution

The fourth proportional to 936,540.45, 1,404,849.98 and 296,830.20 is: 445,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,540.45 : 1,404,849.98 = 296,830.20 : x
  2. Step 2: Convert to fraction form
    936,540.45/1,404,849.98 = 296,830.20/x
  3. Step 3: Cross multiply
    936,540.45x = 1,404,849.98 × 296,830.20
  4. Step 4: Simplify right side
    936,540.45x = 417,001,893,020.57
  5. Step 5: Solve for x
    x = 417,001,893,020.57/936,540.45
  6. Step 6: Final answer
    x = 445,257.75

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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.