Home / 785,352.75-1,177,354.44-272,951.31

Finding the Fourth Proportional to 785,352.75, 1,177,354.44 and 272,951.31

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Solution

The fourth proportional to 785,352.75, 1,177,354.44 and 272,951.31 is: 409,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,352.75 : 1,177,354.44 = 272,951.31 : x
  2. Step 2: Convert to fraction form
    785,352.75/1,177,354.44 = 272,951.31/x
  3. Step 3: Cross multiply
    785,352.75x = 1,177,354.44 × 272,951.31
  4. Step 4: Simplify right side
    785,352.75x = 321,360,436,732.32
  5. Step 5: Solve for x
    x = 321,360,436,732.32/785,352.75
  6. Step 6: Final answer
    x = 409,192.48

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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.