Finding the Fourth Proportional to 531,718.92, 733,640.85 and 313,932.68
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Solution
The fourth proportional to 531,718.92, 733,640.85 and 313,932.68 is: 433,149.60
Step by Step Solution
- Step 1: Write the proportion equation
531,718.92 : 733,640.85 = 313,932.68 : x - Step 2: Convert to fraction form
531,718.92/733,640.85 = 313,932.68/x - Step 3: Cross multiply
531,718.92x = 733,640.85 × 313,932.68 - Step 4: Simplify right side
531,718.92x = 230,313,838,197.98 - Step 5: Solve for x
x = 230,313,838,197.98/531,718.92 - Step 6: Final answer
x = 433,149.60
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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.