Home / 648,028.47-894,324.20-361,604.37

Finding the Fourth Proportional to 648,028.47, 894,324.20 and 361,604.37

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Solution

The fourth proportional to 648,028.47, 894,324.20 and 361,604.37 is: 499,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,028.47 : 894,324.20 = 361,604.37 : x
  2. Step 2: Convert to fraction form
    648,028.47/894,324.20 = 361,604.37/x
  3. Step 3: Cross multiply
    648,028.47x = 894,324.20 × 361,604.37
  4. Step 4: Simplify right side
    648,028.47x = 323,391,537,108.73
  5. Step 5: Solve for x
    x = 323,391,537,108.73/648,028.47
  6. Step 6: Final answer
    x = 499,039.09

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1.5x scale

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.