Home / 854,739.54-1,282,401.92-322,412.81

Finding the Fourth Proportional to 854,739.54, 1,282,401.92 and 322,412.81

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Solution

The fourth proportional to 854,739.54, 1,282,401.92 and 322,412.81 is: 483,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,739.54 : 1,282,401.92 = 322,412.81 : x
  2. Step 2: Convert to fraction form
    854,739.54/1,282,401.92 = 322,412.81/x
  3. Step 3: Cross multiply
    854,739.54x = 1,282,401.92 × 322,412.81
  4. Step 4: Simplify right side
    854,739.54x = 413,462,800,970.62
  5. Step 5: Solve for x
    x = 413,462,800,970.62/854,739.54
  6. Step 6: Final answer
    x = 483,729.58

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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.