Finding the Fourth Proportional to 709,061.60, 1,062,705.44 and 354,174.68
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Solution
The fourth proportional to 709,061.60, 1,062,705.44 and 354,174.68 is: 530,818.99
Step by Step Solution
- Step 1: Write the proportion equation
709,061.60 : 1,062,705.44 = 354,174.68 : x - Step 2: Convert to fraction form
709,061.60/1,062,705.44 = 354,174.68/x - Step 3: Cross multiply
709,061.60x = 1,062,705.44 × 354,174.68 - Step 4: Simplify right side
709,061.60x = 376,383,359,146.26 - Step 5: Solve for x
x = 376,383,359,146.26/709,061.60 - Step 6: Final answer
x = 530,818.99
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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.