Home / 739,473.81-1,109,274.21-259,660.36

Finding the Fourth Proportional to 739,473.81, 1,109,274.21 and 259,660.36

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Solution

The fourth proportional to 739,473.81, 1,109,274.21 and 259,660.36 is: 389,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,473.81 : 1,109,274.21 = 259,660.36 : x
  2. Step 2: Convert to fraction form
    739,473.81/1,109,274.21 = 259,660.36/x
  3. Step 3: Cross multiply
    739,473.81x = 1,109,274.21 × 259,660.36
  4. Step 4: Simplify right side
    739,473.81x = 288,034,540,707.32
  5. Step 5: Solve for x
    x = 288,034,540,707.32/739,473.81
  6. Step 6: Final answer
    x = 389,512.84

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1.5x scale

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.