Home / 432,372.63-648,247.30-263,853.35

Finding the Fourth Proportional to 432,372.63, 648,247.30 and 263,853.35

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Solution

The fourth proportional to 432,372.63, 648,247.30 and 263,853.35 is: 395,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,372.63 : 648,247.30 = 263,853.35 : x
  2. Step 2: Convert to fraction form
    432,372.63/648,247.30 = 263,853.35/x
  3. Step 3: Cross multiply
    432,372.63x = 648,247.30 × 263,853.35
  4. Step 4: Simplify right side
    432,372.63x = 171,042,221,747.69
  5. Step 5: Solve for x
    x = 171,042,221,747.69/432,372.63
  6. Step 6: Final answer
    x = 395,589.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.