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Finding the Fourth Proportional to 382,979.80, 573,108.90 and 333,602.20

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Solution

The fourth proportional to 382,979.80, 573,108.90 and 333,602.20 is: 499,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,979.80 : 573,108.90 = 333,602.20 : x
  2. Step 2: Convert to fraction form
    382,979.80/573,108.90 = 333,602.20/x
  3. Step 3: Cross multiply
    382,979.80x = 573,108.90 × 333,602.20
  4. Step 4: Simplify right side
    382,979.80x = 191,190,389,879.58
  5. Step 5: Solve for x
    x = 191,190,389,879.58/382,979.80
  6. Step 6: Final answer
    x = 499,217.95

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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.