Home / 493,711.10-680,853.30-340,504.46

Finding the Fourth Proportional to 493,711.10, 680,853.30 and 340,504.46

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Solution

The fourth proportional to 493,711.10, 680,853.30 and 340,504.46 is: 469,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,711.10 : 680,853.30 = 340,504.46 : x
  2. Step 2: Convert to fraction form
    493,711.10/680,853.30 = 340,504.46/x
  3. Step 3: Cross multiply
    493,711.10x = 680,853.30 × 340,504.46
  4. Step 4: Simplify right side
    493,711.10x = 231,833,585,255.72
  5. Step 5: Solve for x
    x = 231,833,585,255.72/493,711.10
  6. Step 6: Final answer
    x = 469,573.37

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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.