Home / 889,540.22-1,334,392.36-290,504.50

Finding the Fourth Proportional to 889,540.22, 1,334,392.36 and 290,504.50

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Solution

The fourth proportional to 889,540.22, 1,334,392.36 and 290,504.50 is: 435,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,540.22 : 1,334,392.36 = 290,504.50 : x
  2. Step 2: Convert to fraction form
    889,540.22/1,334,392.36 = 290,504.50/x
  3. Step 3: Cross multiply
    889,540.22x = 1,334,392.36 × 290,504.50
  4. Step 4: Simplify right side
    889,540.22x = 387,646,985,345.62
  5. Step 5: Solve for x
    x = 387,646,985,345.62/889,540.22
  6. Step 6: Final answer
    x = 435,783.54

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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.