Home / 680,293.20-1,021,606.20-444,680.40

Finding the Fourth Proportional to 680,293.20, 1,021,606.20 and 444,680.40

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Solution

The fourth proportional to 680,293.20, 1,021,606.20 and 444,680.40 is: 667,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,293.20 : 1,021,606.20 = 444,680.40 : x
  2. Step 2: Convert to fraction form
    680,293.20/1,021,606.20 = 444,680.40/x
  3. Step 3: Cross multiply
    680,293.20x = 1,021,606.20 × 444,680.40
  4. Step 4: Simplify right side
    680,293.20x = 454,288,253,658.48
  5. Step 5: Solve for x
    x = 454,288,253,658.48/680,293.20
  6. Step 6: Final answer
    x = 667,783.03

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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.