Finding the Fourth Proportional to 837,972.91, 1,257,084.43 and 388,739.19
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Solution
The fourth proportional to 837,972.91, 1,257,084.43 and 388,739.19 is: 583,166.80
Step by Step Solution
- Step 1: Write the proportion equation
837,972.91 : 1,257,084.43 = 388,739.19 : x - Step 2: Convert to fraction form
837,972.91/1,257,084.43 = 388,739.19/x - Step 3: Cross multiply
837,972.91x = 1,257,084.43 × 388,739.19 - Step 4: Simplify right side
837,972.91x = 488,677,979,750.93 - Step 5: Solve for x
x = 488,677,979,750.93/837,972.91 - Step 6: Final answer
x = 583,166.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.