Finding the Fourth Proportional to 980,653.50, 1,352,990.79 and 598,489.02
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Solution
The fourth proportional to 980,653.50, 1,352,990.79 and 598,489.02 is: 825,725.02
Step by Step Solution
- Step 1: Write the proportion equation
980,653.50 : 1,352,990.79 = 598,489.02 : x - Step 2: Convert to fraction form
980,653.50/1,352,990.79 = 598,489.02/x - Step 3: Cross multiply
980,653.50x = 1,352,990.79 × 598,489.02 - Step 4: Simplify right side
980,653.50x = 809,750,131,976.13 - Step 5: Solve for x
x = 809,750,131,976.13/980,653.50 - Step 6: Final answer
x = 825,725.02
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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.