Home / 793,371.49-1,189,529.31-409,359.80

Finding the Fourth Proportional to 793,371.49, 1,189,529.31 and 409,359.80

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Solution

The fourth proportional to 793,371.49, 1,189,529.31 and 409,359.80 is: 613,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,371.49 : 1,189,529.31 = 409,359.80 : x
  2. Step 2: Convert to fraction form
    793,371.49/1,189,529.31 = 409,359.80/x
  3. Step 3: Cross multiply
    793,371.49x = 1,189,529.31 × 409,359.80
  4. Step 4: Simplify right side
    793,371.49x = 486,945,480,435.74
  5. Step 5: Solve for x
    x = 486,945,480,435.74/793,371.49
  6. Step 6: Final answer
    x = 613,767.30

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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.