Home / 432,213.20-647,542.20-370,005.20

Finding the Fourth Proportional to 432,213.20, 647,542.20 and 370,005.20

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Solution

The fourth proportional to 432,213.20, 647,542.20 and 370,005.20 is: 554,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,213.20 : 647,542.20 = 370,005.20 : x
  2. Step 2: Convert to fraction form
    432,213.20/647,542.20 = 370,005.20/x
  3. Step 3: Cross multiply
    432,213.20x = 647,542.20 × 370,005.20
  4. Step 4: Simplify right side
    432,213.20x = 239,593,981,219.44
  5. Step 5: Solve for x
    x = 239,593,981,219.44/432,213.20
  6. Step 6: Final answer
    x = 554,342.12

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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.