Finding the Fourth Proportional to 963,596.70, 1,330,412.99 and 861,294.33
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Solution
The fourth proportional to 963,596.70, 1,330,412.99 and 861,294.33 is: 1,189,166.75
Step by Step Solution
- Step 1: Write the proportion equation
963,596.70 : 1,330,412.99 = 861,294.33 : x - Step 2: Convert to fraction form
963,596.70/1,330,412.99 = 861,294.33/x - Step 3: Cross multiply
963,596.70x = 1,330,412.99 × 861,294.33 - Step 4: Simplify right side
963,596.70x = 1,145,877,160,538.88 - Step 5: Solve for x
x = 1,145,877,160,538.88/963,596.70 - Step 6: Final answer
x = 1,189,166.75
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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.