Finding the Fourth Proportional to 809,625.57, 1,117,378.05 and 673,419.21
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Solution
The fourth proportional to 809,625.57, 1,117,378.05 and 673,419.21 is: 929,397.33
Step by Step Solution
- Step 1: Write the proportion equation
809,625.57 : 1,117,378.05 = 673,419.21 : x - Step 2: Convert to fraction form
809,625.57/1,117,378.05 = 673,419.21/x - Step 3: Cross multiply
809,625.57x = 1,117,378.05 × 673,419.21 - Step 4: Simplify right side
809,625.57x = 752,463,843,702.34 - Step 5: Solve for x
x = 752,463,843,702.34/809,625.57 - Step 6: Final answer
x = 929,397.33
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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.