Home / 889,524.57-1,334,289.56-215,603.22

Finding the Fourth Proportional to 889,524.57, 1,334,289.56 and 215,603.22

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Solution

The fourth proportional to 889,524.57, 1,334,289.56 and 215,603.22 is: 323,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,524.57 : 1,334,289.56 = 215,603.22 : x
  2. Step 2: Convert to fraction form
    889,524.57/1,334,289.56 = 215,603.22/x
  3. Step 3: Cross multiply
    889,524.57x = 1,334,289.56 × 215,603.22
  4. Step 4: Simplify right side
    889,524.57x = 287,677,124,470.37
  5. Step 5: Solve for x
    x = 287,677,124,470.37/889,524.57
  6. Step 6: Final answer
    x = 323,405.48

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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.