Home / 551,106.20-825,872.10-313,947.80

Finding the Fourth Proportional to 551,106.20, 825,872.10 and 313,947.80

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Solution

The fourth proportional to 551,106.20, 825,872.10 and 313,947.80 is: 470,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,106.20 : 825,872.10 = 313,947.80 : x
  2. Step 2: Convert to fraction form
    551,106.20/825,872.10 = 313,947.80/x
  3. Step 3: Cross multiply
    551,106.20x = 825,872.10 × 313,947.80
  4. Step 4: Simplify right side
    551,106.20x = 259,280,728,876.38
  5. Step 5: Solve for x
    x = 259,280,728,876.38/551,106.20
  6. Step 6: Final answer
    x = 470,473.26

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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.