Home / 630,763.20-945,811.89-275,361.12

Finding the Fourth Proportional to 630,763.20, 945,811.89 and 275,361.12

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Solution

The fourth proportional to 630,763.20, 945,811.89 and 275,361.12 is: 412,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,763.20 : 945,811.89 = 275,361.12 : x
  2. Step 2: Convert to fraction form
    630,763.20/945,811.89 = 275,361.12/x
  3. Step 3: Cross multiply
    630,763.20x = 945,811.89 × 275,361.12
  4. Step 4: Simplify right side
    630,763.20x = 260,439,821,339.72
  5. Step 5: Solve for x
    x = 260,439,821,339.72/630,763.20
  6. Step 6: Final answer
    x = 412,896.35

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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.