Home / 628,940.03-943,398.63-155,625.44

Finding the Fourth Proportional to 628,940.03, 943,398.63 and 155,625.44

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Solution

The fourth proportional to 628,940.03, 943,398.63 and 155,625.44 is: 233,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,940.03 : 943,398.63 = 155,625.44 : x
  2. Step 2: Convert to fraction form
    628,940.03/943,398.63 = 155,625.44/x
  3. Step 3: Cross multiply
    628,940.03x = 943,398.63 × 155,625.44
  4. Step 4: Simplify right side
    628,940.03x = 146,816,822,172.15
  5. Step 5: Solve for x
    x = 146,816,822,172.15/628,940.03
  6. Step 6: Final answer
    x = 233,435.33

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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.