Home / 711,917.71-1,067,757.49-312,451.22

Finding the Fourth Proportional to 711,917.71, 1,067,757.49 and 312,451.22

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Solution

The fourth proportional to 711,917.71, 1,067,757.49 and 312,451.22 is: 468,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,917.71 : 1,067,757.49 = 312,451.22 : x
  2. Step 2: Convert to fraction form
    711,917.71/1,067,757.49 = 312,451.22/x
  3. Step 3: Cross multiply
    711,917.71x = 1,067,757.49 × 312,451.22
  4. Step 4: Simplify right side
    711,917.71x = 333,622,130,414.64
  5. Step 5: Solve for x
    x = 333,622,130,414.64/711,917.71
  6. Step 6: Final answer
    x = 468,624.57

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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.