Home / 859,242.31-1,185,791.92-477,269.09

Finding the Fourth Proportional to 859,242.31, 1,185,791.92 and 477,269.09

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Solution

The fourth proportional to 859,242.31, 1,185,791.92 and 477,269.09 is: 658,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,242.31 : 1,185,791.92 = 477,269.09 : x
  2. Step 2: Convert to fraction form
    859,242.31/1,185,791.92 = 477,269.09/x
  3. Step 3: Cross multiply
    859,242.31x = 1,185,791.92 × 477,269.09
  4. Step 4: Simplify right side
    859,242.31x = 565,941,830,587.75
  5. Step 5: Solve for x
    x = 565,941,830,587.75/859,242.31
  6. Step 6: Final answer
    x = 658,652.19

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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.