Home / 1,097,923.81-1,647,043.12-339,831.85

Finding the Fourth Proportional to 1,097,923.81, 1,647,043.12 and 339,831.85

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Solution

The fourth proportional to 1,097,923.81, 1,647,043.12 and 339,831.85 is: 509,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,923.81 : 1,647,043.12 = 339,831.85 : x
  2. Step 2: Convert to fraction form
    1,097,923.81/1,647,043.12 = 339,831.85/x
  3. Step 3: Cross multiply
    1,097,923.81x = 1,647,043.12 × 339,831.85
  4. Step 4: Simplify right side
    1,097,923.81x = 559,717,710,499.37
  5. Step 5: Solve for x
    x = 559,717,710,499.37/1,097,923.81
  6. Step 6: Final answer
    x = 509,796.50

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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.