Home / 324,789.74-484,680.69-285,431.64

Finding the Fourth Proportional to 324,789.74, 484,680.69 and 285,431.64

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Solution

The fourth proportional to 324,789.74, 484,680.69 and 285,431.64 is: 425,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,789.74 : 484,680.69 = 285,431.64 : x
  2. Step 2: Convert to fraction form
    324,789.74/484,680.69 = 285,431.64/x
  3. Step 3: Cross multiply
    324,789.74x = 484,680.69 × 285,431.64
  4. Step 4: Simplify right side
    324,789.74x = 138,343,204,223.03
  5. Step 5: Solve for x
    x = 138,343,204,223.03/324,789.74
  6. Step 6: Final answer
    x = 425,946.97

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1.5x scale

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.