Home / 486,914.32-671,890.44-272,063.44

Finding the Fourth Proportional to 486,914.32, 671,890.44 and 272,063.44

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Solution

The fourth proportional to 486,914.32, 671,890.44 and 272,063.44 is: 375,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,914.32 : 671,890.44 = 272,063.44 : x
  2. Step 2: Convert to fraction form
    486,914.32/671,890.44 = 272,063.44/x
  3. Step 3: Cross multiply
    486,914.32x = 671,890.44 × 272,063.44
  4. Step 4: Simplify right side
    486,914.32x = 182,796,824,409.51
  5. Step 5: Solve for x
    x = 182,796,824,409.51/486,914.32
  6. Step 6: Final answer
    x = 375,418.87

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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.