Home / 902,178.44-1,245,007.22-488,716.19

Finding the Fourth Proportional to 902,178.44, 1,245,007.22 and 488,716.19

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Solution

The fourth proportional to 902,178.44, 1,245,007.22 and 488,716.19 is: 674,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,178.44 : 1,245,007.22 = 488,716.19 : x
  2. Step 2: Convert to fraction form
    902,178.44/1,245,007.22 = 488,716.19/x
  3. Step 3: Cross multiply
    902,178.44x = 1,245,007.22 × 488,716.19
  4. Step 4: Simplify right side
    902,178.44x = 608,455,176,412.28
  5. Step 5: Solve for x
    x = 608,455,176,412.28/902,178.44
  6. Step 6: Final answer
    x = 674,428.86

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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.