Home / 490,615.03-677,104.83-272,845.39

Finding the Fourth Proportional to 490,615.03, 677,104.83 and 272,845.39

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Solution

The fourth proportional to 490,615.03, 677,104.83 and 272,845.39 is: 376,557.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,615.03 : 677,104.83 = 272,845.39 : x
  2. Step 2: Convert to fraction form
    490,615.03/677,104.83 = 272,845.39/x
  3. Step 3: Cross multiply
    490,615.03x = 677,104.83 × 272,845.39
  4. Step 4: Simplify right side
    490,615.03x = 184,744,931,412.23
  5. Step 5: Solve for x
    x = 184,744,931,412.23/490,615.03
  6. Step 6: Final answer
    x = 376,557.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.