Home / 852,469.71-1,176,405.78-470,493.75

Finding the Fourth Proportional to 852,469.71, 1,176,405.78 and 470,493.75

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Solution

The fourth proportional to 852,469.71, 1,176,405.78 and 470,493.75 is: 649,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,469.71 : 1,176,405.78 = 470,493.75 : x
  2. Step 2: Convert to fraction form
    852,469.71/1,176,405.78 = 470,493.75/x
  3. Step 3: Cross multiply
    852,469.71x = 1,176,405.78 × 470,493.75
  4. Step 4: Simplify right side
    852,469.71x = 553,491,566,953.88
  5. Step 5: Solve for x
    x = 553,491,566,953.88/852,469.71
  6. Step 6: Final answer
    x = 649,280.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.