Home / 818,833.24-1,228,939.98-345,858.04

Finding the Fourth Proportional to 818,833.24, 1,228,939.98 and 345,858.04

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Solution

The fourth proportional to 818,833.24, 1,228,939.98 and 345,858.04 is: 519,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,833.24 : 1,228,939.98 = 345,858.04 : x
  2. Step 2: Convert to fraction form
    818,833.24/1,228,939.98 = 345,858.04/x
  3. Step 3: Cross multiply
    818,833.24x = 1,228,939.98 × 345,858.04
  4. Step 4: Simplify right side
    818,833.24x = 425,038,772,760.44
  5. Step 5: Solve for x
    x = 425,038,772,760.44/818,833.24
  6. Step 6: Final answer
    x = 519,078.55

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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.