Home / 902,087.38-1,351,691.72-661,084.44

Finding the Fourth Proportional to 902,087.38, 1,351,691.72 and 661,084.44

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Solution

The fourth proportional to 902,087.38, 1,351,691.72 and 661,084.44 is: 990,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,087.38 : 1,351,691.72 = 661,084.44 : x
  2. Step 2: Convert to fraction form
    902,087.38/1,351,691.72 = 661,084.44/x
  3. Step 3: Cross multiply
    902,087.38x = 1,351,691.72 × 661,084.44
  4. Step 4: Simplify right side
    902,087.38x = 893,582,363,768.84
  5. Step 5: Solve for x
    x = 893,582,363,768.84/902,087.38
  6. Step 6: Final answer
    x = 990,571.85

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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.