Home / 920,533.24-1,381,131.06-321,582.52

Finding the Fourth Proportional to 920,533.24, 1,381,131.06 and 321,582.52

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Solution

The fourth proportional to 920,533.24, 1,381,131.06 and 321,582.52 is: 482,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,533.24 : 1,381,131.06 = 321,582.52 : x
  2. Step 2: Convert to fraction form
    920,533.24/1,381,131.06 = 321,582.52/x
  3. Step 3: Cross multiply
    920,533.24x = 1,381,131.06 × 321,582.52
  4. Step 4: Simplify right side
    920,533.24x = 444,147,606,725.07
  5. Step 5: Solve for x
    x = 444,147,606,725.07/920,533.24
  6. Step 6: Final answer
    x = 482,489.48

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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.