Home / 693,903.24-1,040,145.84-393,749.91

Finding the Fourth Proportional to 693,903.24, 1,040,145.84 and 393,749.91

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Solution

The fourth proportional to 693,903.24, 1,040,145.84 and 393,749.91 is: 590,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,903.24 : 1,040,145.84 = 393,749.91 : x
  2. Step 2: Convert to fraction form
    693,903.24/1,040,145.84 = 393,749.91/x
  3. Step 3: Cross multiply
    693,903.24x = 1,040,145.84 × 393,749.91
  4. Step 4: Simplify right side
    693,903.24x = 409,557,330,886.87
  5. Step 5: Solve for x
    x = 409,557,330,886.87/693,903.24
  6. Step 6: Final answer
    x = 590,222.54

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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.