Home / 741,994.21-1,113,034.37-209,470.64

Finding the Fourth Proportional to 741,994.21, 1,113,034.37 and 209,470.64

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Solution

The fourth proportional to 741,994.21, 1,113,034.37 and 209,470.64 is: 314,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,994.21 : 1,113,034.37 = 209,470.64 : x
  2. Step 2: Convert to fraction form
    741,994.21/1,113,034.37 = 209,470.64/x
  3. Step 3: Cross multiply
    741,994.21x = 1,113,034.37 × 209,470.64
  4. Step 4: Simplify right side
    741,994.21x = 233,148,021,474.19
  5. Step 5: Solve for x
    x = 233,148,021,474.19/741,994.21
  6. Step 6: Final answer
    x = 314,218.12

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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.