Home / 812,382.93-1,218,570.75-332,833.05

Finding the Fourth Proportional to 812,382.93, 1,218,570.75 and 332,833.05

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Solution

The fourth proportional to 812,382.93, 1,218,570.75 and 332,833.05 is: 499,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,382.93 : 1,218,570.75 = 332,833.05 : x
  2. Step 2: Convert to fraction form
    812,382.93/1,218,570.75 = 332,833.05/x
  3. Step 3: Cross multiply
    812,382.93x = 1,218,570.75 × 332,833.05
  4. Step 4: Simplify right side
    812,382.93x = 405,580,619,363.29
  5. Step 5: Solve for x
    x = 405,580,619,363.29/812,382.93
  6. Step 6: Final answer
    x = 499,248.08

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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.