Home / 873,916.46-1,311,190.38-305,381.50

Finding the Fourth Proportional to 873,916.46, 1,311,190.38 and 305,381.50

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Solution

The fourth proportional to 873,916.46, 1,311,190.38 and 305,381.50 is: 458,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,916.46 : 1,311,190.38 = 305,381.50 : x
  2. Step 2: Convert to fraction form
    873,916.46/1,311,190.38 = 305,381.50/x
  3. Step 3: Cross multiply
    873,916.46x = 1,311,190.38 × 305,381.50
  4. Step 4: Simplify right side
    873,916.46x = 400,413,285,029.97
  5. Step 5: Solve for x
    x = 400,413,285,029.97/873,916.46
  6. Step 6: Final answer
    x = 458,182.56

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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.