Home / 855,144.48-1,282,916.32-247,945.48

Finding the Fourth Proportional to 855,144.48, 1,282,916.32 and 247,945.48

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Solution

The fourth proportional to 855,144.48, 1,282,916.32 and 247,945.48 is: 371,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,144.48 : 1,282,916.32 = 247,945.48 : x
  2. Step 2: Convert to fraction form
    855,144.48/1,282,916.32 = 247,945.48/x
  3. Step 3: Cross multiply
    855,144.48x = 1,282,916.32 × 247,945.48
  4. Step 4: Simplify right side
    855,144.48x = 318,093,302,762.23
  5. Step 5: Solve for x
    x = 318,093,302,762.23/855,144.48
  6. Step 6: Final answer
    x = 371,976.09

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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.