Home / 864,168.60-1,295,216.10-443,227.80

Finding the Fourth Proportional to 864,168.60, 1,295,216.10 and 443,227.80

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Solution

The fourth proportional to 864,168.60, 1,295,216.10 and 443,227.80 is: 664,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,168.60 : 1,295,216.10 = 443,227.80 : x
  2. Step 2: Convert to fraction form
    864,168.60/1,295,216.10 = 443,227.80/x
  3. Step 3: Cross multiply
    864,168.60x = 1,295,216.10 × 443,227.80
  4. Step 4: Simplify right side
    864,168.60x = 574,075,782,527.58
  5. Step 5: Solve for x
    x = 574,075,782,527.58/864,168.60
  6. Step 6: Final answer
    x = 664,309.93

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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.