Home / 448,917.84-672,659.91-314,237.52

Finding the Fourth Proportional to 448,917.84, 672,659.91 and 314,237.52

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Solution

The fourth proportional to 448,917.84, 672,659.91 and 314,237.52 is: 470,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,917.84 : 672,659.91 = 314,237.52 : x
  2. Step 2: Convert to fraction form
    448,917.84/672,659.91 = 314,237.52/x
  3. Step 3: Cross multiply
    448,917.84x = 672,659.91 × 314,237.52
  4. Step 4: Simplify right side
    448,917.84x = 211,374,981,921.82
  5. Step 5: Solve for x
    x = 211,374,981,921.82/448,917.84
  6. Step 6: Final answer
    x = 470,854.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.