Home / 927,335.57-1,391,097.75-320,044.85

Finding the Fourth Proportional to 927,335.57, 1,391,097.75 and 320,044.85

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Solution

The fourth proportional to 927,335.57, 1,391,097.75 and 320,044.85 is: 480,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,335.57 : 1,391,097.75 = 320,044.85 : x
  2. Step 2: Convert to fraction form
    927,335.57/1,391,097.75 = 320,044.85/x
  3. Step 3: Cross multiply
    927,335.57x = 1,391,097.75 × 320,044.85
  4. Step 4: Simplify right side
    927,335.57x = 445,213,670,734.09
  5. Step 5: Solve for x
    x = 445,213,670,734.09/927,335.57
  6. Step 6: Final answer
    x = 480,099.85

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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.