Home / 902,770.38-1,246,220.10-631,902.06

Finding the Fourth Proportional to 902,770.38, 1,246,220.10 and 631,902.06

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Solution

The fourth proportional to 902,770.38, 1,246,220.10 and 631,902.06 is: 872,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,770.38 : 1,246,220.10 = 631,902.06 : x
  2. Step 2: Convert to fraction form
    902,770.38/1,246,220.10 = 631,902.06/x
  3. Step 3: Cross multiply
    902,770.38x = 1,246,220.10 × 631,902.06
  4. Step 4: Simplify right side
    902,770.38x = 787,489,048,403.41
  5. Step 5: Solve for x
    x = 787,489,048,403.41/902,770.38
  6. Step 6: Final answer
    x = 872,302.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.