Finding the Fourth Proportional to 857,683.75, 1,284,901.75 and 572,514.43
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Solution
The fourth proportional to 857,683.75, 1,284,901.75 and 572,514.43 is: 857,687.68
Step by Step Solution
- Step 1: Write the proportion equation
857,683.75 : 1,284,901.75 = 572,514.43 : x - Step 2: Convert to fraction form
857,683.75/1,284,901.75 = 572,514.43/x - Step 3: Cross multiply
857,683.75x = 1,284,901.75 × 572,514.43 - Step 4: Simplify right side
857,683.75x = 735,624,783,720.17 - Step 5: Solve for x
x = 735,624,783,720.17/857,683.75 - Step 6: Final answer
x = 857,687.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.