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Finding the Fourth Proportional to 662,016.20, 994,061.10 and 382,080.20

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Solution

The fourth proportional to 662,016.20, 994,061.10 and 382,080.20 is: 573,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,016.20 : 994,061.10 = 382,080.20 : x
  2. Step 2: Convert to fraction form
    662,016.20/994,061.10 = 382,080.20/x
  3. Step 3: Cross multiply
    662,016.20x = 994,061.10 × 382,080.20
  4. Step 4: Simplify right side
    662,016.20x = 379,811,063,900.22
  5. Step 5: Solve for x
    x = 379,811,063,900.22/662,016.20
  6. Step 6: Final answer
    x = 573,718.69

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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.