Home / 683,255.20-1,024,907.10-209,939.80

Finding the Fourth Proportional to 683,255.20, 1,024,907.10 and 209,939.80

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Solution

The fourth proportional to 683,255.20, 1,024,907.10 and 209,939.80 is: 314,917.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,255.20 : 1,024,907.10 = 209,939.80 : x
  2. Step 2: Convert to fraction form
    683,255.20/1,024,907.10 = 209,939.80/x
  3. Step 3: Cross multiply
    683,255.20x = 1,024,907.10 × 209,939.80
  4. Step 4: Simplify right side
    683,255.20x = 215,168,791,592.58
  5. Step 5: Solve for x
    x = 215,168,791,592.58/683,255.20
  6. Step 6: Final answer
    x = 314,917.17

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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.