Home / 671,201.31-926,095.77-395,570.49

Finding the Fourth Proportional to 671,201.31, 926,095.77 and 395,570.49

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Solution

The fourth proportional to 671,201.31, 926,095.77 and 395,570.49 is: 545,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,201.31 : 926,095.77 = 395,570.49 : x
  2. Step 2: Convert to fraction form
    671,201.31/926,095.77 = 395,570.49/x
  3. Step 3: Cross multiply
    671,201.31x = 926,095.77 × 395,570.49
  4. Step 4: Simplify right side
    671,201.31x = 366,336,157,525.83
  5. Step 5: Solve for x
    x = 366,336,157,525.83/671,201.31
  6. Step 6: Final answer
    x = 545,791.78

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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.