Home / 427,026.49-588,914.81-354,314.21

Finding the Fourth Proportional to 427,026.49, 588,914.81 and 354,314.21

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Solution

The fourth proportional to 427,026.49, 588,914.81 and 354,314.21 is: 488,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,026.49 : 588,914.81 = 354,314.21 : x
  2. Step 2: Convert to fraction form
    427,026.49/588,914.81 = 354,314.21/x
  3. Step 3: Cross multiply
    427,026.49x = 588,914.81 × 354,314.21
  4. Step 4: Simplify right side
    427,026.49x = 208,660,882,717.88
  5. Step 5: Solve for x
    x = 208,660,882,717.88/427,026.49
  6. Step 6: Final answer
    x = 488,636.86

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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.