Home / 493,576.40-680,789.04-340,675.92

Finding the Fourth Proportional to 493,576.40, 680,789.04 and 340,675.92

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Solution

The fourth proportional to 493,576.40, 680,789.04 and 340,675.92 is: 469,893.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,576.40 : 680,789.04 = 340,675.92 : x
  2. Step 2: Convert to fraction form
    493,576.40/680,789.04 = 340,675.92/x
  3. Step 3: Cross multiply
    493,576.40x = 680,789.04 × 340,675.92
  4. Step 4: Simplify right side
    493,576.40x = 231,928,432,527.92
  5. Step 5: Solve for x
    x = 231,928,432,527.92/493,576.40
  6. Step 6: Final answer
    x = 469,893.68

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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.