Home / 548,620.36-757,065.66-306,856.24

Finding the Fourth Proportional to 548,620.36, 757,065.66 and 306,856.24

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Solution

The fourth proportional to 548,620.36, 757,065.66 and 306,856.24 is: 423,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,620.36 : 757,065.66 = 306,856.24 : x
  2. Step 2: Convert to fraction form
    548,620.36/757,065.66 = 306,856.24/x
  3. Step 3: Cross multiply
    548,620.36x = 757,065.66 × 306,856.24
  4. Step 4: Simplify right side
    548,620.36x = 232,310,321,860.72
  5. Step 5: Solve for x
    x = 232,310,321,860.72/548,620.36
  6. Step 6: Final answer
    x = 423,444.59

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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.