Finding the Fourth Proportional to 618,289.21, 852,813.25 and 434,916.82
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Solution
The fourth proportional to 618,289.21, 852,813.25 and 434,916.82 is: 599,885.65
Step by Step Solution
- Step 1: Write the proportion equation
618,289.21 : 852,813.25 = 434,916.82 : x - Step 2: Convert to fraction form
618,289.21/852,813.25 = 434,916.82/x - Step 3: Cross multiply
618,289.21x = 852,813.25 × 434,916.82 - Step 4: Simplify right side
618,289.21x = 370,902,826,743.87 - Step 5: Solve for x
x = 370,902,826,743.87/618,289.21 - Step 6: Final answer
x = 599,885.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.