Finding the Fourth Proportional to 774,939.13, 1,161,304.61 and 570,930.75
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Solution
The fourth proportional to 774,939.13, 1,161,304.61 and 570,930.75 is: 855,582.70
Step by Step Solution
- Step 1: Write the proportion equation
774,939.13 : 1,161,304.61 = 570,930.75 : x - Step 2: Convert to fraction form
774,939.13/1,161,304.61 = 570,930.75/x - Step 3: Cross multiply
774,939.13x = 1,161,304.61 × 570,930.75 - Step 4: Simplify right side
774,939.13x = 663,024,511,965.76 - Step 5: Solve for x
x = 663,024,511,965.76/774,939.13 - Step 6: Final answer
x = 855,582.70
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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.