Home / 490,611.03-677,099.31-272,841.39

Finding the Fourth Proportional to 490,611.03, 677,099.31 and 272,841.39

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Solution

The fourth proportional to 490,611.03, 677,099.31 and 272,841.39 is: 376,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,611.03 : 677,099.31 = 272,841.39 : x
  2. Step 2: Convert to fraction form
    490,611.03/677,099.31 = 272,841.39/x
  3. Step 3: Cross multiply
    490,611.03x = 677,099.31 × 272,841.39
  4. Step 4: Simplify right side
    490,611.03x = 184,740,716,908.44
  5. Step 5: Solve for x
    x = 184,740,716,908.44/490,611.03
  6. Step 6: Final answer
    x = 376,552.31

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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.