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Finding the Fourth Proportional to 404,806.39, 607,103.60 and 120,420.37

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Solution

The fourth proportional to 404,806.39, 607,103.60 and 120,420.37 is: 180,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,806.39 : 607,103.60 = 120,420.37 : x
  2. Step 2: Convert to fraction form
    404,806.39/607,103.60 = 120,420.37/x
  3. Step 3: Cross multiply
    404,806.39x = 607,103.60 × 120,420.37
  4. Step 4: Simplify right side
    404,806.39x = 73,107,638,923.62
  5. Step 5: Solve for x
    x = 73,107,638,923.62/404,806.39
  6. Step 6: Final answer
    x = 180,599.03

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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.