Finding the Fourth Proportional to 992,958.88, 1,370,242.32 and 540,251.68
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Solution
The fourth proportional to 992,958.88, 1,370,242.32 and 540,251.68 is: 745,525.05
Step by Step Solution
- Step 1: Write the proportion equation
992,958.88 : 1,370,242.32 = 540,251.68 : x - Step 2: Convert to fraction form
992,958.88/1,370,242.32 = 540,251.68/x - Step 3: Cross multiply
992,958.88x = 1,370,242.32 × 540,251.68 - Step 4: Simplify right side
992,958.88x = 740,275,715,387.10 - Step 5: Solve for x
x = 740,275,715,387.10/992,958.88 - Step 6: Final answer
x = 745,525.05
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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.