Finding the Fourth Proportional to 500,531.24, 690,793.79 and 282,749.09
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Solution
The fourth proportional to 500,531.24, 690,793.79 and 282,749.09 is: 390,228.03
Step by Step Solution
- Step 1: Write the proportion equation
500,531.24 : 690,793.79 = 282,749.09 : x - Step 2: Convert to fraction form
500,531.24/690,793.79 = 282,749.09/x - Step 3: Cross multiply
500,531.24x = 690,793.79 × 282,749.09 - Step 4: Simplify right side
500,531.24x = 195,321,317,875.28 - Step 5: Solve for x
x = 195,321,317,875.28/500,531.24 - Step 6: Final answer
x = 390,228.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.