Home / 791,286.31-1,185,032.93-406,021.32

Finding the Fourth Proportional to 791,286.31, 1,185,032.93 and 406,021.32

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Solution

The fourth proportional to 791,286.31, 1,185,032.93 and 406,021.32 is: 608,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,286.31 : 1,185,032.93 = 406,021.32 : x
  2. Step 2: Convert to fraction form
    791,286.31/1,185,032.93 = 406,021.32/x
  3. Step 3: Cross multiply
    791,286.31x = 1,185,032.93 × 406,021.32
  4. Step 4: Simplify right side
    791,286.31x = 481,148,627,333.05
  5. Step 5: Solve for x
    x = 481,148,627,333.05/791,286.31
  6. Step 6: Final answer
    x = 608,058.83

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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.