Home / 817,819.28-1,226,728.91-368,014.65

Finding the Fourth Proportional to 817,819.28, 1,226,728.91 and 368,014.65

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Solution

The fourth proportional to 817,819.28, 1,226,728.91 and 368,014.65 is: 552,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,819.28 : 1,226,728.91 = 368,014.65 : x
  2. Step 2: Convert to fraction form
    817,819.28/1,226,728.91 = 368,014.65/x
  3. Step 3: Cross multiply
    817,819.28x = 1,226,728.91 × 368,014.65
  4. Step 4: Simplify right side
    817,819.28x = 451,454,211,378.57
  5. Step 5: Solve for x
    x = 451,454,211,378.57/817,819.28
  6. Step 6: Final answer
    x = 552,021.98

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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.