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Finding the Fourth Proportional to 733,872.80, 1,100,809.20 and 680,728.70

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Solution

The fourth proportional to 733,872.80, 1,100,809.20 and 680,728.70 is: 1,021,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,872.80 : 1,100,809.20 = 680,728.70 : x
  2. Step 2: Convert to fraction form
    733,872.80/1,100,809.20 = 680,728.70/x
  3. Step 3: Cross multiply
    733,872.80x = 1,100,809.20 × 680,728.70
  4. Step 4: Simplify right side
    733,872.80x = 749,352,415,664.04
  5. Step 5: Solve for x
    x = 749,352,415,664.04/733,872.80
  6. Step 6: Final answer
    x = 1,021,093.05

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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.