Home / 680,734.58-1,020,575.90-343,601.70

Finding the Fourth Proportional to 680,734.58, 1,020,575.90 and 343,601.70

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Solution

The fourth proportional to 680,734.58, 1,020,575.90 and 343,601.70 is: 515,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,734.58 : 1,020,575.90 = 343,601.70 : x
  2. Step 2: Convert to fraction form
    680,734.58/1,020,575.90 = 343,601.70/x
  3. Step 3: Cross multiply
    680,734.58x = 1,020,575.90 × 343,601.70
  4. Step 4: Simplify right side
    680,734.58x = 350,671,611,250.88
  5. Step 5: Solve for x
    x = 350,671,611,250.88/680,734.58
  6. Step 6: Final answer
    x = 515,137.06

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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.