Home / 938,763.70-1,408,255.48-298,843.22

Finding the Fourth Proportional to 938,763.70, 1,408,255.48 and 298,843.22

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Solution

The fourth proportional to 938,763.70, 1,408,255.48 and 298,843.22 is: 448,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,763.70 : 1,408,255.48 = 298,843.22 : x
  2. Step 2: Convert to fraction form
    938,763.70/1,408,255.48 = 298,843.22/x
  3. Step 3: Cross multiply
    938,763.70x = 1,408,255.48 × 298,843.22
  4. Step 4: Simplify right side
    938,763.70x = 420,847,602,225.85
  5. Step 5: Solve for x
    x = 420,847,602,225.85/938,763.70
  6. Step 6: Final answer
    x = 448,299.82

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1.5x scale

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.