Finding the Fourth Proportional to 713,802.75, 985,135.29 and 411,996.75
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Solution
The fourth proportional to 713,802.75, 985,135.29 and 411,996.75 is: 568,606.02
Step by Step Solution
- Step 1: Write the proportion equation
713,802.75 : 985,135.29 = 411,996.75 : x - Step 2: Convert to fraction form
713,802.75/985,135.29 = 411,996.75/x - Step 3: Cross multiply
713,802.75x = 985,135.29 × 411,996.75 - Step 4: Simplify right side
713,802.75x = 405,872,537,790.31 - Step 5: Solve for x
x = 405,872,537,790.31/713,802.75 - Step 6: Final answer
x = 568,606.02
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1.5x scale
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.