Home / 822,042.60-1,233,063.90-261,133.80

Finding the Fourth Proportional to 822,042.60, 1,233,063.90 and 261,133.80

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Solution

The fourth proportional to 822,042.60, 1,233,063.90 and 261,133.80 is: 391,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,042.60 : 1,233,063.90 = 261,133.80 : x
  2. Step 2: Convert to fraction form
    822,042.60/1,233,063.90 = 261,133.80/x
  3. Step 3: Cross multiply
    822,042.60x = 1,233,063.90 × 261,133.80
  4. Step 4: Simplify right side
    822,042.60x = 321,994,661,849.82
  5. Step 5: Solve for x
    x = 321,994,661,849.82/822,042.60
  6. Step 6: Final answer
    x = 391,700.70

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Similar ratio
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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.