Home / 627,664.16-940,708.24-339,464.32

Finding the Fourth Proportional to 627,664.16, 940,708.24 and 339,464.32

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Solution

The fourth proportional to 627,664.16, 940,708.24 and 339,464.32 is: 508,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,664.16 : 940,708.24 = 339,464.32 : x
  2. Step 2: Convert to fraction form
    627,664.16/940,708.24 = 339,464.32/x
  3. Step 3: Cross multiply
    627,664.16x = 940,708.24 × 339,464.32
  4. Step 4: Simplify right side
    627,664.16x = 319,336,883,010.00
  5. Step 5: Solve for x
    x = 319,336,883,010.00/627,664.16
  6. Step 6: Final answer
    x = 508,770.30

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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.