Home / 627,664.05-940,708.08-339,464.22

Finding the Fourth Proportional to 627,664.05, 940,708.08 and 339,464.22

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Solution

The fourth proportional to 627,664.05, 940,708.08 and 339,464.22 is: 508,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,664.05 : 940,708.08 = 339,464.22 : x
  2. Step 2: Convert to fraction form
    627,664.05/940,708.08 = 339,464.22/x
  3. Step 3: Cross multiply
    627,664.05x = 940,708.08 × 339,464.22
  4. Step 4: Simplify right side
    627,664.05x = 319,336,731,097.24
  5. Step 5: Solve for x
    x = 319,336,731,097.24/627,664.05
  6. Step 6: Final answer
    x = 508,770.15

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1.5x scale

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.