Home / 676,874.10-1,015,311.15-603,390.90

Finding the Fourth Proportional to 676,874.10, 1,015,311.15 and 603,390.90

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Solution

The fourth proportional to 676,874.10, 1,015,311.15 and 603,390.90 is: 905,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,874.10 : 1,015,311.15 = 603,390.90 : x
  2. Step 2: Convert to fraction form
    676,874.10/1,015,311.15 = 603,390.90/x
  3. Step 3: Cross multiply
    676,874.10x = 1,015,311.15 × 603,390.90
  4. Step 4: Simplify right side
    676,874.10x = 612,629,508,578.54
  5. Step 5: Solve for x
    x = 612,629,508,578.54/676,874.10
  6. Step 6: Final answer
    x = 905,086.35

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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.