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Finding the Fourth Proportional to 511,401.21, 767,323.19 and 274,467.03

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Solution

The fourth proportional to 511,401.21, 767,323.19 and 274,467.03 is: 411,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,401.21 : 767,323.19 = 274,467.03 : x
  2. Step 2: Convert to fraction form
    511,401.21/767,323.19 = 274,467.03/x
  3. Step 3: Cross multiply
    511,401.21x = 767,323.19 × 274,467.03
  4. Step 4: Simplify right side
    511,401.21x = 210,604,917,009.43
  5. Step 5: Solve for x
    x = 210,604,917,009.43/511,401.21
  6. Step 6: Final answer
    x = 411,819.36

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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.