Finding the Fourth Proportional to 702,693.39, 969,717.20 and 380,403.49
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Solution
The fourth proportional to 702,693.39, 969,717.20 and 380,403.49 is: 524,956.99
Step by Step Solution
- Step 1: Write the proportion equation
702,693.39 : 969,717.20 = 380,403.49 : x - Step 2: Convert to fraction form
702,693.39/969,717.20 = 380,403.49/x - Step 3: Cross multiply
702,693.39x = 969,717.20 × 380,403.49 - Step 4: Simplify right side
702,693.39x = 368,883,807,193.03 - Step 5: Solve for x
x = 368,883,807,193.03/702,693.39 - Step 6: Final answer
x = 524,956.99
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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.