Home / 863,743.18-1,191,962.49-481,769.66

Finding the Fourth Proportional to 863,743.18, 1,191,962.49 and 481,769.66

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Solution

The fourth proportional to 863,743.18, 1,191,962.49 and 481,769.66 is: 664,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,743.18 : 1,191,962.49 = 481,769.66 : x
  2. Step 2: Convert to fraction form
    863,743.18/1,191,962.49 = 481,769.66/x
  3. Step 3: Cross multiply
    863,743.18x = 1,191,962.49 × 481,769.66
  4. Step 4: Simplify right side
    863,743.18x = 574,251,363,540.05
  5. Step 5: Solve for x
    x = 574,251,363,540.05/863,743.18
  6. Step 6: Final answer
    x = 664,840.40

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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.