Home / 904,405.08-1,356,799.62-343,427.16

Finding the Fourth Proportional to 904,405.08, 1,356,799.62 and 343,427.16

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Solution

The fourth proportional to 904,405.08, 1,356,799.62 and 343,427.16 is: 515,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,405.08 : 1,356,799.62 = 343,427.16 : x
  2. Step 2: Convert to fraction form
    904,405.08/1,356,799.62 = 343,427.16/x
  3. Step 3: Cross multiply
    904,405.08x = 1,356,799.62 × 343,427.16
  4. Step 4: Simplify right side
    904,405.08x = 465,961,840,185.68
  5. Step 5: Solve for x
    x = 465,961,840,185.68/904,405.08
  6. Step 6: Final answer
    x = 515,213.65

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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.