Finding the Fourth Proportional to 594,579.21, 820,515.12 and 322,640.19
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Solution
The fourth proportional to 594,579.21, 820,515.12 and 322,640.19 is: 445,241.19
Step by Step Solution
- Step 1: Write the proportion equation
594,579.21 : 820,515.12 = 322,640.19 : x - Step 2: Convert to fraction form
594,579.21/820,515.12 = 322,640.19/x - Step 3: Cross multiply
594,579.21x = 820,515.12 × 322,640.19 - Step 4: Simplify right side
594,579.21x = 264,731,154,214.67 - Step 5: Solve for x
x = 264,731,154,214.67/594,579.21 - Step 6: Final answer
x = 445,241.19
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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.