Home / 734,815.78-1,102,293.38-285,571.35

Finding the Fourth Proportional to 734,815.78, 1,102,293.38 and 285,571.35

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Solution

The fourth proportional to 734,815.78, 1,102,293.38 and 285,571.35 is: 428,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,815.78 : 1,102,293.38 = 285,571.35 : x
  2. Step 2: Convert to fraction form
    734,815.78/1,102,293.38 = 285,571.35/x
  3. Step 3: Cross multiply
    734,815.78x = 1,102,293.38 × 285,571.35
  4. Step 4: Simplify right side
    734,815.78x = 314,783,407,194.81
  5. Step 5: Solve for x
    x = 314,783,407,194.81/734,815.78
  6. Step 6: Final answer
    x = 428,384.12

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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.