Home / 938,622.84-1,407,099.26-339,450.80

Finding the Fourth Proportional to 938,622.84, 1,407,099.26 and 339,450.80

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Solution

The fourth proportional to 938,622.84, 1,407,099.26 and 339,450.80 is: 508,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,622.84 : 1,407,099.26 = 339,450.80 : x
  2. Step 2: Convert to fraction form
    938,622.84/1,407,099.26 = 339,450.80/x
  3. Step 3: Cross multiply
    938,622.84x = 1,407,099.26 × 339,450.80
  4. Step 4: Simplify right side
    938,622.84x = 477,640,969,486.41
  5. Step 5: Solve for x
    x = 477,640,969,486.41/938,622.84
  6. Step 6: Final answer
    x = 508,874.22

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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.