Home / 494,852.20-741,622.20-438,427.60

Finding the Fourth Proportional to 494,852.20, 741,622.20 and 438,427.60

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Solution

The fourth proportional to 494,852.20, 741,622.20 and 438,427.60 is: 657,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,852.20 : 741,622.20 = 438,427.60 : x
  2. Step 2: Convert to fraction form
    494,852.20/741,622.20 = 438,427.60/x
  3. Step 3: Cross multiply
    494,852.20x = 741,622.20 × 438,427.60
  4. Step 4: Simplify right side
    494,852.20x = 325,147,641,252.72
  5. Step 5: Solve for x
    x = 325,147,641,252.72/494,852.20
  6. Step 6: Final answer
    x = 657,060.11

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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.