Home / 780,942.68-1,171,749.18-248,507

Finding the Fourth Proportional to 780,942.68, 1,171,749.18 and 248,507

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Solution

The fourth proportional to 780,942.68, 1,171,749.18 and 248,507 is: 372,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,942.68 : 1,171,749.18 = 248,507 : x
  2. Step 2: Convert to fraction form
    780,942.68/1,171,749.18 = 248,507/x
  3. Step 3: Cross multiply
    780,942.68x = 1,171,749.18 × 248,507
  4. Step 4: Simplify right side
    780,942.68x = 291,187,873,474.26
  5. Step 5: Solve for x
    x = 291,187,873,474.26/780,942.68
  6. Step 6: Final answer
    x = 372,867.15

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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.