Home / 681,576.50-1,022,599.94-302,762.58

Finding the Fourth Proportional to 681,576.50, 1,022,599.94 and 302,762.58

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Solution

The fourth proportional to 681,576.50, 1,022,599.94 and 302,762.58 is: 454,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,576.50 : 1,022,599.94 = 302,762.58 : x
  2. Step 2: Convert to fraction form
    681,576.50/1,022,599.94 = 302,762.58/x
  3. Step 3: Cross multiply
    681,576.50x = 1,022,599.94 × 302,762.58
  4. Step 4: Simplify right side
    681,576.50x = 309,604,994,628.43
  5. Step 5: Solve for x
    x = 309,604,994,628.43/681,576.50
  6. Step 6: Final answer
    x = 454,248.34

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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.