Home / 807,334.40-1,211,692.80-358,745.60

Finding the Fourth Proportional to 807,334.40, 1,211,692.80 and 358,745.60

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Solution

The fourth proportional to 807,334.40, 1,211,692.80 and 358,745.60 is: 538,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,334.40 : 1,211,692.80 = 358,745.60 : x
  2. Step 2: Convert to fraction form
    807,334.40/1,211,692.80 = 358,745.60/x
  3. Step 3: Cross multiply
    807,334.40x = 1,211,692.80 × 358,745.60
  4. Step 4: Simplify right side
    807,334.40x = 434,689,460,551.68
  5. Step 5: Solve for x
    x = 434,689,460,551.68/807,334.40
  6. Step 6: Final answer
    x = 538,425.54

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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.