Home / 752,796.69-1,129,247.12-303,521.58

Finding the Fourth Proportional to 752,796.69, 1,129,247.12 and 303,521.58

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Solution

The fourth proportional to 752,796.69, 1,129,247.12 and 303,521.58 is: 455,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,796.69 : 1,129,247.12 = 303,521.58 : x
  2. Step 2: Convert to fraction form
    752,796.69/1,129,247.12 = 303,521.58/x
  3. Step 3: Cross multiply
    752,796.69x = 1,129,247.12 × 303,521.58
  4. Step 4: Simplify right side
    752,796.69x = 342,750,870,831.65
  5. Step 5: Solve for x
    x = 342,750,870,831.65/752,796.69
  6. Step 6: Final answer
    x = 455,303.37

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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.