Home / 494,014.03-681,661.87-287,328.17

Finding the Fourth Proportional to 494,014.03, 681,661.87 and 287,328.17

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Solution

The fourth proportional to 494,014.03, 681,661.87 and 287,328.17 is: 396,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,014.03 : 681,661.87 = 287,328.17 : x
  2. Step 2: Convert to fraction form
    494,014.03/681,661.87 = 287,328.17/x
  3. Step 3: Cross multiply
    494,014.03x = 681,661.87 × 287,328.17
  4. Step 4: Simplify right side
    494,014.03x = 195,860,661,024.50
  5. Step 5: Solve for x
    x = 195,860,661,024.50/494,014.03
  6. Step 6: Final answer
    x = 396,467.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.