Home / 494,777.51-682,371.01-380,333.42

Finding the Fourth Proportional to 494,777.51, 682,371.01 and 380,333.42

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Solution

The fourth proportional to 494,777.51, 682,371.01 and 380,333.42 is: 524,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,777.51 : 682,371.01 = 380,333.42 : x
  2. Step 2: Convert to fraction form
    494,777.51/682,371.01 = 380,333.42/x
  3. Step 3: Cross multiply
    494,777.51x = 682,371.01 × 380,333.42
  4. Step 4: Simplify right side
    494,777.51x = 259,528,499,564.61
  5. Step 5: Solve for x
    x = 259,528,499,564.61/494,777.51
  6. Step 6: Final answer
    x = 524,535.77

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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.