Home / 889,146.37-1,333,858.44-289,968.15

Finding the Fourth Proportional to 889,146.37, 1,333,858.44 and 289,968.15

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Solution

The fourth proportional to 889,146.37, 1,333,858.44 and 289,968.15 is: 434,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,146.37 : 1,333,858.44 = 289,968.15 : x
  2. Step 2: Convert to fraction form
    889,146.37/1,333,858.44 = 289,968.15/x
  3. Step 3: Cross multiply
    889,146.37x = 1,333,858.44 × 289,968.15
  4. Step 4: Simplify right side
    889,146.37x = 386,776,468,666.97
  5. Step 5: Solve for x
    x = 386,776,468,666.97/889,146.37
  6. Step 6: Final answer
    x = 434,997.53

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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.