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Finding the Fourth Proportional to 891,851.63, 1,230,738.17 and 504,660

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Solution

The fourth proportional to 891,851.63, 1,230,738.17 and 504,660 is: 696,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,851.63 : 1,230,738.17 = 504,660 : x
  2. Step 2: Convert to fraction form
    891,851.63/1,230,738.17 = 504,660/x
  3. Step 3: Cross multiply
    891,851.63x = 1,230,738.17 × 504,660
  4. Step 4: Simplify right side
    891,851.63x = 621,104,326,133.85
  5. Step 5: Solve for x
    x = 621,104,326,133.85/891,851.63
  6. Step 6: Final answer
    x = 696,421.13

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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.