Home / 548,440.90-756,826.00-319,004.75

Finding the Fourth Proportional to 548,440.90, 756,826.00 and 319,004.75

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Solution

The fourth proportional to 548,440.90, 756,826.00 and 319,004.75 is: 440,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,440.90 : 756,826.00 = 319,004.75 : x
  2. Step 2: Convert to fraction form
    548,440.90/756,826.00 = 319,004.75/x
  3. Step 3: Cross multiply
    548,440.90x = 756,826.00 × 319,004.75
  4. Step 4: Simplify right side
    548,440.90x = 241,431,090,018.05
  5. Step 5: Solve for x
    x = 241,431,090,018.05/548,440.90
  6. Step 6: Final answer
    x = 440,213.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.