Home / 823,210.91-1,234,857.78-262,289.15

Finding the Fourth Proportional to 823,210.91, 1,234,857.78 and 262,289.15

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Solution

The fourth proportional to 823,210.91, 1,234,857.78 and 262,289.15 is: 393,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,210.91 : 1,234,857.78 = 262,289.15 : x
  2. Step 2: Convert to fraction form
    823,210.91/1,234,857.78 = 262,289.15/x
  3. Step 3: Cross multiply
    823,210.91x = 1,234,857.78 × 262,289.15
  4. Step 4: Simplify right side
    823,210.91x = 323,889,796,175.64
  5. Step 5: Solve for x
    x = 323,889,796,175.64/823,210.91
  6. Step 6: Final answer
    x = 393,446.92

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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.