Home / 822,738.28-1,234,029.66-261,673.96

Finding the Fourth Proportional to 822,738.28, 1,234,029.66 and 261,673.96

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Solution

The fourth proportional to 822,738.28, 1,234,029.66 and 261,673.96 is: 392,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,738.28 : 1,234,029.66 = 261,673.96 : x
  2. Step 2: Convert to fraction form
    822,738.28/1,234,029.66 = 261,673.96/x
  3. Step 3: Cross multiply
    822,738.28x = 1,234,029.66 × 261,673.96
  4. Step 4: Simplify right side
    822,738.28x = 322,913,427,889.65
  5. Step 5: Solve for x
    x = 322,913,427,889.65/822,738.28
  6. Step 6: Final answer
    x = 392,486.21

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1.5x scale

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.