Home / 324,588.32-448,056.89-290,536.73

Finding the Fourth Proportional to 324,588.32, 448,056.89 and 290,536.73

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Solution

The fourth proportional to 324,588.32, 448,056.89 and 290,536.73 is: 401,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,588.32 : 448,056.89 = 290,536.73 : x
  2. Step 2: Convert to fraction form
    324,588.32/448,056.89 = 290,536.73/x
  3. Step 3: Cross multiply
    324,588.32x = 448,056.89 × 290,536.73
  4. Step 4: Simplify right side
    324,588.32x = 130,176,979,981.60
  5. Step 5: Solve for x
    x = 130,176,979,981.60/324,588.32
  6. Step 6: Final answer
    x = 401,052.58

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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.