Home / 831,675.41-1,147,664.49-469,077.64

Finding the Fourth Proportional to 831,675.41, 1,147,664.49 and 469,077.64

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Solution

The fourth proportional to 831,675.41, 1,147,664.49 and 469,077.64 is: 647,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,675.41 : 1,147,664.49 = 469,077.64 : x
  2. Step 2: Convert to fraction form
    831,675.41/1,147,664.49 = 469,077.64/x
  3. Step 3: Cross multiply
    831,675.41x = 1,147,664.49 × 469,077.64
  4. Step 4: Simplify right side
    831,675.41x = 538,343,750,481.00
  5. Step 5: Solve for x
    x = 538,343,750,481.00/831,675.41
  6. Step 6: Final answer
    x = 647,300.31

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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.