Finding the Fourth Proportional to 920,399.99, 1,270,139.87 and 506,928.82
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Solution
The fourth proportional to 920,399.99, 1,270,139.87 and 506,928.82 is: 699,555.11
Step by Step Solution
- Step 1: Write the proportion equation
920,399.99 : 1,270,139.87 = 506,928.82 : x - Step 2: Convert to fraction form
920,399.99/1,270,139.87 = 506,928.82/x - Step 3: Cross multiply
920,399.99x = 1,270,139.87 × 506,928.82 - Step 4: Simplify right side
920,399.99x = 643,870,511,101.56 - Step 5: Solve for x
x = 643,870,511,101.56/920,399.99 - Step 6: Final answer
x = 699,555.11
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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.