Finding the Fourth Proportional to 497,941.40, 745,861.80 and 338,115.44
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Solution
The fourth proportional to 497,941.40, 745,861.80 and 338,115.44 is: 506,459.98
Step by Step Solution
- Step 1: Write the proportion equation
497,941.40 : 745,861.80 = 338,115.44 : x - Step 2: Convert to fraction form
497,941.40/745,861.80 = 338,115.44/x - Step 3: Cross multiply
497,941.40x = 745,861.80 × 338,115.44 - Step 4: Simplify right side
497,941.40x = 252,187,390,686.19 - Step 5: Solve for x
x = 252,187,390,686.19/497,941.40 - Step 6: Final answer
x = 506,459.98
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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.