Home / 824,819.76-1,237,328.46-292,231.80

Finding the Fourth Proportional to 824,819.76, 1,237,328.46 and 292,231.80

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Solution

The fourth proportional to 824,819.76, 1,237,328.46 and 292,231.80 is: 438,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,819.76 : 1,237,328.46 = 292,231.80 : x
  2. Step 2: Convert to fraction form
    824,819.76/1,237,328.46 = 292,231.80/x
  3. Step 3: Cross multiply
    824,819.76x = 1,237,328.46 × 292,231.80
  4. Step 4: Simplify right side
    824,819.76x = 361,586,723,057.03
  5. Step 5: Solve for x
    x = 361,586,723,057.03/824,819.76
  6. Step 6: Final answer
    x = 438,382.71

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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.