Home / 489,927.21-734,604.75-190,057.38

Finding the Fourth Proportional to 489,927.21, 734,604.75 and 190,057.38

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Solution

The fourth proportional to 489,927.21, 734,604.75 and 190,057.38 is: 284,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,927.21 : 734,604.75 = 190,057.38 : x
  2. Step 2: Convert to fraction form
    489,927.21/734,604.75 = 190,057.38/x
  3. Step 3: Cross multiply
    489,927.21x = 734,604.75 × 190,057.38
  4. Step 4: Simplify right side
    489,927.21x = 139,617,054,120.56
  5. Step 5: Solve for x
    x = 139,617,054,120.56/489,927.21
  6. Step 6: Final answer
    x = 284,975.10

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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.