Home / 889,147.52-1,333,860.18-289,969.32

Finding the Fourth Proportional to 889,147.52, 1,333,860.18 and 289,969.32

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Solution

The fourth proportional to 889,147.52, 1,333,860.18 and 289,969.32 is: 434,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,147.52 : 1,333,860.18 = 289,969.32 : x
  2. Step 2: Convert to fraction form
    889,147.52/1,333,860.18 = 289,969.32/x
  3. Step 3: Cross multiply
    889,147.52x = 1,333,860.18 × 289,969.32
  4. Step 4: Simplify right side
    889,147.52x = 386,778,529,369.68
  5. Step 5: Solve for x
    x = 386,778,529,369.68/889,147.52
  6. Step 6: Final answer
    x = 434,999.28

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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.