Home / 627,151.32-865,529.04-351,507.80

Finding the Fourth Proportional to 627,151.32, 865,529.04 and 351,507.80

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Solution

The fourth proportional to 627,151.32, 865,529.04 and 351,507.80 is: 485,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,151.32 : 865,529.04 = 351,507.80 : x
  2. Step 2: Convert to fraction form
    627,151.32/865,529.04 = 351,507.80/x
  3. Step 3: Cross multiply
    627,151.32x = 865,529.04 × 351,507.80
  4. Step 4: Simplify right side
    627,151.32x = 304,240,204,358.87
  5. Step 5: Solve for x
    x = 304,240,204,358.87/627,151.32
  6. Step 6: Final answer
    x = 485,114.51

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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.