Home / 648,541.62-894,950.10-362,079.90

Finding the Fourth Proportional to 648,541.62, 894,950.10 and 362,079.90

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Solution

The fourth proportional to 648,541.62, 894,950.10 and 362,079.90 is: 499,649.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,541.62 : 894,950.10 = 362,079.90 : x
  2. Step 2: Convert to fraction form
    648,541.62/894,950.10 = 362,079.90/x
  3. Step 3: Cross multiply
    648,541.62x = 894,950.10 × 362,079.90
  4. Step 4: Simplify right side
    648,541.62x = 324,043,442,712.99
  5. Step 5: Solve for x
    x = 324,043,442,712.99/648,541.62
  6. Step 6: Final answer
    x = 499,649.42

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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.