Finding the Fourth Proportional to 713,865.02, 985,164.63 and 427,329.68
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Solution
The fourth proportional to 713,865.02, 985,164.63 and 427,329.68 is: 589,733.46
Step by Step Solution
- Step 1: Write the proportion equation
713,865.02 : 985,164.63 = 427,329.68 : x - Step 2: Convert to fraction form
713,865.02/985,164.63 = 427,329.68/x - Step 3: Cross multiply
713,865.02x = 985,164.63 × 427,329.68 - Step 4: Simplify right side
713,865.02x = 420,990,086,085.22 - Step 5: Solve for x
x = 420,990,086,085.22/713,865.02 - Step 6: Final answer
x = 589,733.46
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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.