Home / 806,075.88-1,112,401.96-443,500.79

Finding the Fourth Proportional to 806,075.88, 1,112,401.96 and 443,500.79

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Solution

The fourth proportional to 806,075.88, 1,112,401.96 and 443,500.79 is: 612,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,075.88 : 1,112,401.96 = 443,500.79 : x
  2. Step 2: Convert to fraction form
    806,075.88/1,112,401.96 = 443,500.79/x
  3. Step 3: Cross multiply
    806,075.88x = 1,112,401.96 × 443,500.79
  4. Step 4: Simplify right side
    806,075.88x = 493,351,150,772.68
  5. Step 5: Solve for x
    x = 493,351,150,772.68/806,075.88
  6. Step 6: Final answer
    x = 612,040.58

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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.