Home / 855,165.56-1,282,355.70-247,815.80

Finding the Fourth Proportional to 855,165.56, 1,282,355.70 and 247,815.80

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Solution

The fourth proportional to 855,165.56, 1,282,355.70 and 247,815.80 is: 371,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,165.56 : 1,282,355.70 = 247,815.80 : x
  2. Step 2: Convert to fraction form
    855,165.56/1,282,355.70 = 247,815.80/x
  3. Step 3: Cross multiply
    855,165.56x = 1,282,355.70 × 247,815.80
  4. Step 4: Simplify right side
    855,165.56x = 317,788,003,680.06
  5. Step 5: Solve for x
    x = 317,788,003,680.06/855,165.56
  6. Step 6: Final answer
    x = 371,609.92

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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.