Finding the Fourth Proportional to 586,389.92, 809,149.68 and 328,280.96
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Solution
The fourth proportional to 586,389.92, 809,149.68 and 328,280.96 is: 452,989.43
Step by Step Solution
- Step 1: Write the proportion equation
586,389.92 : 809,149.68 = 328,280.96 : x - Step 2: Convert to fraction form
586,389.92/809,149.68 = 328,280.96/x - Step 3: Cross multiply
586,389.92x = 809,149.68 × 328,280.96 - Step 4: Simplify right side
586,389.92x = 265,628,433,734.09 - Step 5: Solve for x
x = 265,628,433,734.09/586,389.92 - Step 6: Final answer
x = 452,989.43
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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.