Home / 1,008,364.32-1,512,021.60-298,296.48

Finding the Fourth Proportional to 1,008,364.32, 1,512,021.60 and 298,296.48

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Solution

The fourth proportional to 1,008,364.32, 1,512,021.60 and 298,296.48 is: 447,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,364.32 : 1,512,021.60 = 298,296.48 : x
  2. Step 2: Convert to fraction form
    1,008,364.32/1,512,021.60 = 298,296.48/x
  3. Step 3: Cross multiply
    1,008,364.32x = 1,512,021.60 × 298,296.48
  4. Step 4: Simplify right side
    1,008,364.32x = 451,030,720,963.97
  5. Step 5: Solve for x
    x = 451,030,720,963.97/1,008,364.32
  6. Step 6: Final answer
    x = 447,289.45

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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.