Home / 488,426.16-674,357.24-304,944.36

Finding the Fourth Proportional to 488,426.16, 674,357.24 and 304,944.36

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Solution

The fourth proportional to 488,426.16, 674,357.24 and 304,944.36 is: 421,028.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,426.16 : 674,357.24 = 304,944.36 : x
  2. Step 2: Convert to fraction form
    488,426.16/674,357.24 = 304,944.36/x
  3. Step 3: Cross multiply
    488,426.16x = 674,357.24 × 304,944.36
  4. Step 4: Simplify right side
    488,426.16x = 205,641,435,438.45
  5. Step 5: Solve for x
    x = 205,641,435,438.45/488,426.16
  6. Step 6: Final answer
    x = 421,028.71

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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.