Finding the Fourth Proportional to 698,325.18, 1,047,466.99 and 192,916.56
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Solution
The fourth proportional to 698,325.18, 1,047,466.99 and 192,916.56 is: 289,369.10
Step by Step Solution
- Step 1: Write the proportion equation
698,325.18 : 1,047,466.99 = 192,916.56 : x - Step 2: Convert to fraction form
698,325.18/1,047,466.99 = 192,916.56/x - Step 3: Cross multiply
698,325.18x = 1,047,466.99 × 192,916.56 - Step 4: Simplify right side
698,325.18x = 202,073,728,424.35 - Step 5: Solve for x
x = 202,073,728,424.35/698,325.18 - Step 6: Final answer
x = 289,369.10
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1.5x scale
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.