Home / 841,907.97-1,262,872.76-280,942.47

Finding the Fourth Proportional to 841,907.97, 1,262,872.76 and 280,942.47

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Solution

The fourth proportional to 841,907.97, 1,262,872.76 and 280,942.47 is: 421,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,907.97 : 1,262,872.76 = 280,942.47 : x
  2. Step 2: Convert to fraction form
    841,907.97/1,262,872.76 = 280,942.47/x
  3. Step 3: Cross multiply
    841,907.97x = 1,262,872.76 × 280,942.47
  4. Step 4: Simplify right side
    841,907.97x = 354,794,591,085.41
  5. Step 5: Solve for x
    x = 354,794,591,085.41/841,907.97
  6. Step 6: Final answer
    x = 421,417.31

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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.