Finding the Fourth Proportional to 984,234.62, 1,358,243.80 and 531,525.62
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Solution
The fourth proportional to 984,234.62, 1,358,243.80 and 531,525.62 is: 733,505.37
Step by Step Solution
- Step 1: Write the proportion equation
984,234.62 : 1,358,243.80 = 531,525.62 : x - Step 2: Convert to fraction form
984,234.62/1,358,243.80 = 531,525.62/x - Step 3: Cross multiply
984,234.62x = 1,358,243.80 × 531,525.62 - Step 4: Simplify right side
984,234.62x = 721,941,379,972.95 - Step 5: Solve for x
x = 721,941,379,972.95/984,234.62 - Step 6: Final answer
x = 733,505.37
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1.5x scale
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.