Finding the Fourth Proportional to 713,794.06, 985,118.09 and 427,314.10
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Solution
The fourth proportional to 713,794.06, 985,118.09 and 427,314.10 is: 589,742.72
Step by Step Solution
- Step 1: Write the proportion equation
713,794.06 : 985,118.09 = 427,314.10 : x - Step 2: Convert to fraction form
713,794.06/985,118.09 = 427,314.10/x - Step 3: Cross multiply
713,794.06x = 985,118.09 × 427,314.10 - Step 4: Simplify right side
713,794.06x = 420,954,850,022.07 - Step 5: Solve for x
x = 420,954,850,022.07/713,794.06 - Step 6: Final answer
x = 589,742.72
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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.