Home / 863,763.40-1,295,742.30-264,719.80

Finding the Fourth Proportional to 863,763.40, 1,295,742.30 and 264,719.80

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Solution

The fourth proportional to 863,763.40, 1,295,742.30 and 264,719.80 is: 397,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,763.40 : 1,295,742.30 = 264,719.80 : x
  2. Step 2: Convert to fraction form
    863,763.40/1,295,742.30 = 264,719.80/x
  3. Step 3: Cross multiply
    863,763.40x = 1,295,742.30 × 264,719.80
  4. Step 4: Simplify right side
    863,763.40x = 343,008,642,507.54
  5. Step 5: Solve for x
    x = 343,008,642,507.54/863,763.40
  6. Step 6: Final answer
    x = 397,109.49

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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.