Home / 662,913.80-994,500.30-263,486.60

Finding the Fourth Proportional to 662,913.80, 994,500.30 and 263,486.60

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Solution

The fourth proportional to 662,913.80, 994,500.30 and 263,486.60 is: 395,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,913.80 : 994,500.30 = 263,486.60 : x
  2. Step 2: Convert to fraction form
    662,913.80/994,500.30 = 263,486.60/x
  3. Step 3: Cross multiply
    662,913.80x = 994,500.30 × 263,486.60
  4. Step 4: Simplify right side
    662,913.80x = 262,037,502,745.98
  5. Step 5: Solve for x
    x = 262,037,502,745.98/662,913.80
  6. Step 6: Final answer
    x = 395,281.41

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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.