Finding the Fourth Proportional to 510,616.92, 704,735.49 and 389,529.57
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Solution
The fourth proportional to 510,616.92, 704,735.49 and 389,529.57 is: 537,614.99
Step by Step Solution
- Step 1: Write the proportion equation
510,616.92 : 704,735.49 = 389,529.57 : x - Step 2: Convert to fraction form
510,616.92/704,735.49 = 389,529.57/x - Step 3: Cross multiply
510,616.92x = 704,735.49 × 389,529.57 - Step 4: Simplify right side
510,616.92x = 274,515,312,383.44 - Step 5: Solve for x
x = 274,515,312,383.44/510,616.92 - Step 6: Final answer
x = 537,614.99
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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.