Home / 648,203.42-894,521.46-361,723.43

Finding the Fourth Proportional to 648,203.42, 894,521.46 and 361,723.43

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Solution

The fourth proportional to 648,203.42, 894,521.46 and 361,723.43 is: 499,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,203.42 : 894,521.46 = 361,723.43 : x
  2. Step 2: Convert to fraction form
    648,203.42/894,521.46 = 361,723.43/x
  3. Step 3: Cross multiply
    648,203.42x = 894,521.46 × 361,723.43
  4. Step 4: Simplify right side
    648,203.42x = 323,569,372,277.88
  5. Step 5: Solve for x
    x = 323,569,372,277.88/648,203.42
  6. Step 6: Final answer
    x = 499,178.75

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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.