Home / 938,770.47-1,408,265.64-298,850.01

Finding the Fourth Proportional to 938,770.47, 1,408,265.64 and 298,850.01

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Solution

The fourth proportional to 938,770.47, 1,408,265.64 and 298,850.01 is: 448,310.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,770.47 : 1,408,265.64 = 298,850.01 : x
  2. Step 2: Convert to fraction form
    938,770.47/1,408,265.64 = 298,850.01/x
  3. Step 3: Cross multiply
    938,770.47x = 1,408,265.64 × 298,850.01
  4. Step 4: Simplify right side
    938,770.47x = 420,860,200,596.66
  5. Step 5: Solve for x
    x = 420,860,200,596.66/938,770.47
  6. Step 6: Final answer
    x = 448,310.01

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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.