Home / 742,163.58-1,024,185.87-419,867.01

Finding the Fourth Proportional to 742,163.58, 1,024,185.87 and 419,867.01

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Solution

The fourth proportional to 742,163.58, 1,024,185.87 and 419,867.01 is: 579,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,163.58 : 1,024,185.87 = 419,867.01 : x
  2. Step 2: Convert to fraction form
    742,163.58/1,024,185.87 = 419,867.01/x
  3. Step 3: Cross multiply
    742,163.58x = 1,024,185.87 × 419,867.01
  4. Step 4: Simplify right side
    742,163.58x = 430,021,858,921.15
  5. Step 5: Solve for x
    x = 430,021,858,921.15/742,163.58
  6. Step 6: Final answer
    x = 579,416.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.