Finding the Fourth Proportional to 579,316.68, 799,306.92 and 349,692.48
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Solution
The fourth proportional to 579,316.68, 799,306.92 and 349,692.48 is: 482,485.02
Step by Step Solution
- Step 1: Write the proportion equation
579,316.68 : 799,306.92 = 349,692.48 : x - Step 2: Convert to fraction form
579,316.68/799,306.92 = 349,692.48/x - Step 3: Cross multiply
579,316.68x = 799,306.92 × 349,692.48 - Step 4: Simplify right side
579,316.68x = 279,511,619,135.96 - Step 5: Solve for x
x = 279,511,619,135.96/579,316.68 - Step 6: Final answer
x = 482,485.02
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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.