Finding the Fourth Proportional to 676,416.74, 934,082.62 and 506,355.62
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Solution
The fourth proportional to 676,416.74, 934,082.62 and 506,355.62 is: 699,240.50
Step by Step Solution
- Step 1: Write the proportion equation
676,416.74 : 934,082.62 = 506,355.62 : x - Step 2: Convert to fraction form
676,416.74/934,082.62 = 506,355.62/x - Step 3: Cross multiply
676,416.74x = 934,082.62 × 506,355.62 - Step 4: Simplify right side
676,416.74x = 472,977,978,245.02 - Step 5: Solve for x
x = 472,977,978,245.02/676,416.74 - Step 6: Final answer
x = 699,240.50
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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.