Finding the Fourth Proportional to 495,731.80, 684,108.07 and 280,912.92
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Solution
The fourth proportional to 495,731.80, 684,108.07 and 280,912.92 is: 387,658.80
Step by Step Solution
- Step 1: Write the proportion equation
495,731.80 : 684,108.07 = 280,912.92 : x - Step 2: Convert to fraction form
495,731.80/684,108.07 = 280,912.92/x - Step 3: Cross multiply
495,731.80x = 684,108.07 × 280,912.92 - Step 4: Simplify right side
495,731.80x = 192,174,795,539.26 - Step 5: Solve for x
x = 192,174,795,539.26/495,731.80 - Step 6: Final answer
x = 387,658.80
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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.