Finding the Fourth Proportional to 783,991.20, 1,174,237.20 and 605,920.80
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Solution
The fourth proportional to 783,991.20, 1,174,237.20 and 605,920.80 is: 907,528.99
Step by Step Solution
- Step 1: Write the proportion equation
783,991.20 : 1,174,237.20 = 605,920.80 : x - Step 2: Convert to fraction form
783,991.20/1,174,237.20 = 605,920.80/x - Step 3: Cross multiply
783,991.20x = 1,174,237.20 × 605,920.80 - Step 4: Simplify right side
783,991.20x = 711,494,743,613.76 - Step 5: Solve for x
x = 711,494,743,613.76/783,991.20 - Step 6: Final answer
x = 907,528.99
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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.