Home / 902,152.31-1,244,959.65-488,681.30

Finding the Fourth Proportional to 902,152.31, 1,244,959.65 and 488,681.30

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Solution

The fourth proportional to 902,152.31, 1,244,959.65 and 488,681.30 is: 674,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,152.31 : 1,244,959.65 = 488,681.30 : x
  2. Step 2: Convert to fraction form
    902,152.31/1,244,959.65 = 488,681.30/x
  3. Step 3: Cross multiply
    902,152.31x = 1,244,959.65 × 488,681.30
  4. Step 4: Simplify right side
    902,152.31x = 608,388,503,321.94
  5. Step 5: Solve for x
    x = 608,388,503,321.94/902,152.31
  6. Step 6: Final answer
    x = 674,374.49

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Double scale
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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.