Home / 432,004.20-647,714.70-229,633.80

Finding the Fourth Proportional to 432,004.20, 647,714.70 and 229,633.80

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Solution

The fourth proportional to 432,004.20, 647,714.70 and 229,633.80 is: 344,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,004.20 : 647,714.70 = 229,633.80 : x
  2. Step 2: Convert to fraction form
    432,004.20/647,714.70 = 229,633.80/x
  3. Step 3: Cross multiply
    432,004.20x = 647,714.70 × 229,633.80
  4. Step 4: Simplify right side
    432,004.20x = 148,737,187,876.86
  5. Step 5: Solve for x
    x = 148,737,187,876.86/432,004.20
  6. Step 6: Final answer
    x = 344,295.70

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1.5x scale

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.