Home / 838,481.22-1,157,045.72-475,912.46

Finding the Fourth Proportional to 838,481.22, 1,157,045.72 and 475,912.46

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Solution

The fourth proportional to 838,481.22, 1,157,045.72 and 475,912.46 is: 656,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,481.22 : 1,157,045.72 = 475,912.46 : x
  2. Step 2: Convert to fraction form
    838,481.22/1,157,045.72 = 475,912.46/x
  3. Step 3: Cross multiply
    838,481.22x = 1,157,045.72 × 475,912.46
  4. Step 4: Simplify right side
    838,481.22x = 550,652,475,450.72
  5. Step 5: Solve for x
    x = 550,652,475,450.72/838,481.22
  6. Step 6: Final answer
    x = 656,726.07

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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.