Finding the Fourth Proportional to 809,269.20, 1,215,286.20 and 530,024.40
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Solution
The fourth proportional to 809,269.20, 1,215,286.20 and 530,024.40 is: 795,941.99
Step by Step Solution
- Step 1: Write the proportion equation
809,269.20 : 1,215,286.20 = 530,024.40 : x - Step 2: Convert to fraction form
809,269.20/1,215,286.20 = 530,024.40/x - Step 3: Cross multiply
809,269.20x = 1,215,286.20 × 530,024.40 - Step 4: Simplify right side
809,269.20x = 644,131,338,983.28 - Step 5: Solve for x
x = 644,131,338,983.28/809,269.20 - Step 6: Final answer
x = 795,941.99
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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.