Home / 628,100.70-941,835.69-290,851.26

Finding the Fourth Proportional to 628,100.70, 941,835.69 and 290,851.26

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Solution

The fourth proportional to 628,100.70, 941,835.69 and 290,851.26 is: 436,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,100.70 : 941,835.69 = 290,851.26 : x
  2. Step 2: Convert to fraction form
    628,100.70/941,835.69 = 290,851.26/x
  3. Step 3: Cross multiply
    628,100.70x = 941,835.69 × 290,851.26
  4. Step 4: Simplify right side
    628,100.70x = 273,934,097,149.47
  5. Step 5: Solve for x
    x = 273,934,097,149.47/628,100.70
  6. Step 6: Final answer
    x = 436,130.86

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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.