Home / 654,068.10-902,634.46-395,992.38

Finding the Fourth Proportional to 654,068.10, 902,634.46 and 395,992.38

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Solution

The fourth proportional to 654,068.10, 902,634.46 and 395,992.38 is: 546,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,068.10 : 902,634.46 = 395,992.38 : x
  2. Step 2: Convert to fraction form
    654,068.10/902,634.46 = 395,992.38/x
  3. Step 3: Cross multiply
    654,068.10x = 902,634.46 × 395,992.38
  4. Step 4: Simplify right side
    654,068.10x = 357,436,368,085.42
  5. Step 5: Solve for x
    x = 357,436,368,085.42/654,068.10
  6. Step 6: Final answer
    x = 546,481.88

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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.