Home / 908,272.20-1,363,022.70-508,912.20

Finding the Fourth Proportional to 908,272.20, 1,363,022.70 and 508,912.20

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Solution

The fourth proportional to 908,272.20, 1,363,022.70 and 508,912.20 is: 763,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,272.20 : 1,363,022.70 = 508,912.20 : x
  2. Step 2: Convert to fraction form
    908,272.20/1,363,022.70 = 508,912.20/x
  3. Step 3: Cross multiply
    908,272.20x = 1,363,022.70 × 508,912.20
  4. Step 4: Simplify right side
    908,272.20x = 693,658,880,906.94
  5. Step 5: Solve for x
    x = 693,658,880,906.94/908,272.20
  6. Step 6: Final answer
    x = 763,712.55

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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.