Home / 849,311.63-1,273,967.42-309,608.37

Finding the Fourth Proportional to 849,311.63, 1,273,967.42 and 309,608.37

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Solution

The fourth proportional to 849,311.63, 1,273,967.42 and 309,608.37 is: 464,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,311.63 : 1,273,967.42 = 309,608.37 : x
  2. Step 2: Convert to fraction form
    849,311.63/1,273,967.42 = 309,608.37/x
  3. Step 3: Cross multiply
    849,311.63x = 1,273,967.42 × 309,608.37
  4. Step 4: Simplify right side
    849,311.63x = 394,430,977,113.33
  5. Step 5: Solve for x
    x = 394,430,977,113.33/849,311.63
  6. Step 6: Final answer
    x = 464,412.55

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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.