Home / 648,102.08-894,131.41-405,963.11

Finding the Fourth Proportional to 648,102.08, 894,131.41 and 405,963.11

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Solution

The fourth proportional to 648,102.08, 894,131.41 and 405,963.11 is: 560,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,102.08 : 894,131.41 = 405,963.11 : x
  2. Step 2: Convert to fraction form
    648,102.08/894,131.41 = 405,963.11/x
  3. Step 3: Cross multiply
    648,102.08x = 894,131.41 × 405,963.11
  4. Step 4: Simplify right side
    648,102.08x = 362,984,367,952.29
  5. Step 5: Solve for x
    x = 362,984,367,952.29/648,102.08
  6. Step 6: Final answer
    x = 560,072.83

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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.