Finding the Fourth Proportional to 669,861.24, 924,408.30 and 368,074.68
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Solution
The fourth proportional to 669,861.24, 924,408.30 and 368,074.68 is: 507,942.94
Step by Step Solution
- Step 1: Write the proportion equation
669,861.24 : 924,408.30 = 368,074.68 : x - Step 2: Convert to fraction form
669,861.24/924,408.30 = 368,074.68/x - Step 3: Cross multiply
669,861.24x = 924,408.30 × 368,074.68 - Step 4: Simplify right side
669,861.24x = 340,251,289,211.84 - Step 5: Solve for x
x = 340,251,289,211.84/669,861.24 - Step 6: Final answer
x = 507,942.94
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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.