Home / 867,571.72-1,301,107.26-298,929.64

Finding the Fourth Proportional to 867,571.72, 1,301,107.26 and 298,929.64

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Solution

The fourth proportional to 867,571.72, 1,301,107.26 and 298,929.64 is: 448,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,571.72 : 1,301,107.26 = 298,929.64 : x
  2. Step 2: Convert to fraction form
    867,571.72/1,301,107.26 = 298,929.64/x
  3. Step 3: Cross multiply
    867,571.72x = 1,301,107.26 × 298,929.64
  4. Step 4: Simplify right side
    867,571.72x = 388,939,524,833.19
  5. Step 5: Solve for x
    x = 388,939,524,833.19/867,571.72
  6. Step 6: Final answer
    x = 448,308.21

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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.