Home / 851,662.69-1,277,621.99-275,093.45

Finding the Fourth Proportional to 851,662.69, 1,277,621.99 and 275,093.45

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Solution

The fourth proportional to 851,662.69, 1,277,621.99 and 275,093.45 is: 412,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,662.69 : 1,277,621.99 = 275,093.45 : x
  2. Step 2: Convert to fraction form
    851,662.69/1,277,621.99 = 275,093.45/x
  3. Step 3: Cross multiply
    851,662.69x = 1,277,621.99 × 275,093.45
  4. Step 4: Simplify right side
    851,662.69x = 351,465,433,261.39
  5. Step 5: Solve for x
    x = 351,465,433,261.39/851,662.69
  6. Step 6: Final answer
    x = 412,681.50

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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.