Finding the Fourth Proportional to 603,670.12, 832,717.84 and 376,921.96
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Solution
The fourth proportional to 603,670.12, 832,717.84 and 376,921.96 is: 519,935.69
Step by Step Solution
- Step 1: Write the proportion equation
603,670.12 : 832,717.84 = 376,921.96 : x - Step 2: Convert to fraction form
603,670.12/832,717.84 = 376,921.96/x - Step 3: Cross multiply
603,670.12x = 832,717.84 × 376,921.96 - Step 4: Simplify right side
603,670.12x = 313,869,640,379.77 - Step 5: Solve for x
x = 313,869,640,379.77/603,670.12 - Step 6: Final answer
x = 519,935.69
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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.