Home / 859,241.31-1,185,790.54-477,268.09

Finding the Fourth Proportional to 859,241.31, 1,185,790.54 and 477,268.09

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Solution

The fourth proportional to 859,241.31, 1,185,790.54 and 477,268.09 is: 658,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,241.31 : 1,185,790.54 = 477,268.09 : x
  2. Step 2: Convert to fraction form
    859,241.31/1,185,790.54 = 477,268.09/x
  3. Step 3: Cross multiply
    859,241.31x = 1,185,790.54 × 477,268.09
  4. Step 4: Simplify right side
    859,241.31x = 565,939,986,454.94
  5. Step 5: Solve for x
    x = 565,939,986,454.94/859,241.31
  6. Step 6: Final answer
    x = 658,650.81

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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.