Home / 684,576.74-1,027,369.65-324,748.73

Finding the Fourth Proportional to 684,576.74, 1,027,369.65 and 324,748.73

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Solution

The fourth proportional to 684,576.74, 1,027,369.65 and 324,748.73 is: 487,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,576.74 : 1,027,369.65 = 324,748.73 : x
  2. Step 2: Convert to fraction form
    684,576.74/1,027,369.65 = 324,748.73/x
  3. Step 3: Cross multiply
    684,576.74x = 1,027,369.65 × 324,748.73
  4. Step 4: Simplify right side
    684,576.74x = 333,636,983,941.20
  5. Step 5: Solve for x
    x = 333,636,983,941.20/684,576.74
  6. Step 6: Final answer
    x = 487,362.43

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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.