Home / 494,517.95-682,567.83-290,705.45

Finding the Fourth Proportional to 494,517.95, 682,567.83 and 290,705.45

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Solution

The fourth proportional to 494,517.95, 682,567.83 and 290,705.45 is: 401,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,517.95 : 682,567.83 = 290,705.45 : x
  2. Step 2: Convert to fraction form
    494,517.95/682,567.83 = 290,705.45/x
  3. Step 3: Cross multiply
    494,517.95x = 682,567.83 × 290,705.45
  4. Step 4: Simplify right side
    494,517.95x = 198,426,184,762.83
  5. Step 5: Solve for x
    x = 198,426,184,762.83/494,517.95
  6. Step 6: Final answer
    x = 401,251.74

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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.