Home / 901,819.50-1,352,936.61-310,843.50

Finding the Fourth Proportional to 901,819.50, 1,352,936.61 and 310,843.50

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Solution

The fourth proportional to 901,819.50, 1,352,936.61 and 310,843.50 is: 466,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,819.50 : 1,352,936.61 = 310,843.50 : x
  2. Step 2: Convert to fraction form
    901,819.50/1,352,936.61 = 310,843.50/x
  3. Step 3: Cross multiply
    901,819.50x = 1,352,936.61 × 310,843.50
  4. Step 4: Simplify right side
    901,819.50x = 420,551,551,130.54
  5. Step 5: Solve for x
    x = 420,551,551,130.54/901,819.50
  6. Step 6: Final answer
    x = 466,336.72

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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.