Home / 442,932.60-662,649.30-384,418.20

Finding the Fourth Proportional to 442,932.60, 662,649.30 and 384,418.20

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Solution

The fourth proportional to 442,932.60, 662,649.30 and 384,418.20 is: 575,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,932.60 : 662,649.30 = 384,418.20 : x
  2. Step 2: Convert to fraction form
    442,932.60/662,649.30 = 384,418.20/x
  3. Step 3: Cross multiply
    442,932.60x = 662,649.30 × 384,418.20
  4. Step 4: Simplify right side
    442,932.60x = 254,734,451,137.26
  5. Step 5: Solve for x
    x = 254,734,451,137.26/442,932.60
  6. Step 6: Final answer
    x = 575,108.83

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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.