Finding the Fourth Proportional to 824,124.79, 1,236,608.71 and 392,330.13
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Solution
The fourth proportional to 824,124.79, 1,236,608.71 and 392,330.13 is: 588,695.86
Step by Step Solution
- Step 1: Write the proportion equation
824,124.79 : 1,236,608.71 = 392,330.13 : x - Step 2: Convert to fraction form
824,124.79/1,236,608.71 = 392,330.13/x - Step 3: Cross multiply
824,124.79x = 1,236,608.71 × 392,330.13 - Step 4: Simplify right side
824,124.79x = 485,158,853,352.32 - Step 5: Solve for x
x = 485,158,853,352.32/824,124.79 - Step 6: Final answer
x = 588,695.86
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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.