Home / 678,907.35-1,018,485.54-223,524.54

Finding the Fourth Proportional to 678,907.35, 1,018,485.54 and 223,524.54

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Solution

The fourth proportional to 678,907.35, 1,018,485.54 and 223,524.54 is: 335,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,907.35 : 1,018,485.54 = 223,524.54 : x
  2. Step 2: Convert to fraction form
    678,907.35/1,018,485.54 = 223,524.54/x
  3. Step 3: Cross multiply
    678,907.35x = 1,018,485.54 × 223,524.54
  4. Step 4: Simplify right side
    678,907.35x = 227,656,511,825.15
  5. Step 5: Solve for x
    x = 227,656,511,825.15/678,907.35
  6. Step 6: Final answer
    x = 335,327.81

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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.