Finding the Fourth Proportional to 656,813.93, 985,589.87 and 357,315.44
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Solution
The fourth proportional to 656,813.93, 985,589.87 and 357,315.44 is: 536,173.88
Step by Step Solution
- Step 1: Write the proportion equation
656,813.93 : 985,589.87 = 357,315.44 : x - Step 2: Convert to fraction form
656,813.93/985,589.87 = 357,315.44/x - Step 3: Cross multiply
656,813.93x = 985,589.87 × 357,315.44 - Step 4: Simplify right side
656,813.93x = 352,166,471,344.07 - Step 5: Solve for x
x = 352,166,471,344.07/656,813.93 - Step 6: Final answer
x = 536,173.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.