Home / 944,009.20-1,415,488.86-312,578.56

Finding the Fourth Proportional to 944,009.20, 1,415,488.86 and 312,578.56

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Solution

The fourth proportional to 944,009.20, 1,415,488.86 and 312,578.56 is: 468,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,009.20 : 1,415,488.86 = 312,578.56 : x
  2. Step 2: Convert to fraction form
    944,009.20/1,415,488.86 = 312,578.56/x
  3. Step 3: Cross multiply
    944,009.20x = 1,415,488.86 × 312,578.56
  4. Step 4: Simplify right side
    944,009.20x = 442,451,469,554.84
  5. Step 5: Solve for x
    x = 442,451,469,554.84/944,009.20
  6. Step 6: Final answer
    x = 468,694.02

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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.