Finding the Fourth Proportional to 744,769.65, 1,116,279.68 and 344,565.12
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Solution
The fourth proportional to 744,769.65, 1,116,279.68 and 344,565.12 is: 516,442.96
Step by Step Solution
- Step 1: Write the proportion equation
744,769.65 : 1,116,279.68 = 344,565.12 : x - Step 2: Convert to fraction form
744,769.65/1,116,279.68 = 344,565.12/x - Step 3: Cross multiply
744,769.65x = 1,116,279.68 × 344,565.12 - Step 4: Simplify right side
744,769.65x = 384,631,040,169.94 - Step 5: Solve for x
x = 384,631,040,169.94/744,769.65 - Step 6: Final answer
x = 516,442.96
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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.