Home / 823,410.66-1,234,482.78-418,269.96

Finding the Fourth Proportional to 823,410.66, 1,234,482.78 and 418,269.96

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Solution

The fourth proportional to 823,410.66, 1,234,482.78 and 418,269.96 is: 627,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,410.66 : 1,234,482.78 = 418,269.96 : x
  2. Step 2: Convert to fraction form
    823,410.66/1,234,482.78 = 418,269.96/x
  3. Step 3: Cross multiply
    823,410.66x = 1,234,482.78 × 418,269.96
  4. Step 4: Simplify right side
    823,410.66x = 516,347,063,011.29
  5. Step 5: Solve for x
    x = 516,347,063,011.29/823,410.66
  6. Step 6: Final answer
    x = 627,083.29

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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.