Home / 324,788.74-484,679.19-285,430.64

Finding the Fourth Proportional to 324,788.74, 484,679.19 and 285,430.64

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Solution

The fourth proportional to 324,788.74, 484,679.19 and 285,430.64 is: 425,945.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,788.74 : 484,679.19 = 285,430.64 : x
  2. Step 2: Convert to fraction form
    324,788.74/484,679.19 = 285,430.64/x
  3. Step 3: Cross multiply
    324,788.74x = 484,679.19 × 285,430.64
  4. Step 4: Simplify right side
    324,788.74x = 138,342,290,043.35
  5. Step 5: Solve for x
    x = 138,342,290,043.35/324,788.74
  6. Step 6: Final answer
    x = 425,945.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.