Finding the Fourth Proportional to 992,382.48, 1,488,585.23 and 943,980.75
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Solution
The fourth proportional to 992,382.48, 1,488,585.23 and 943,980.75 is: 1,415,982.07
Step by Step Solution
- Step 1: Write the proportion equation
992,382.48 : 1,488,585.23 = 943,980.75 : x - Step 2: Convert to fraction form
992,382.48/1,488,585.23 = 943,980.75/x - Step 3: Cross multiply
992,382.48x = 1,488,585.23 × 943,980.75 - Step 4: Simplify right side
992,382.48x = 1,405,195,797,134.42 - Step 5: Solve for x
x = 1,405,195,797,134.42/992,382.48 - Step 6: Final answer
x = 1,415,982.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.