Finding the Fourth Proportional to 806,259.42, 1,208,640.42 and 356,740.20
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Solution
The fourth proportional to 806,259.42, 1,208,640.42 and 356,740.20 is: 534,779.02
Step by Step Solution
- Step 1: Write the proportion equation
806,259.42 : 1,208,640.42 = 356,740.20 : x - Step 2: Convert to fraction form
806,259.42/1,208,640.42 = 356,740.20/x - Step 3: Cross multiply
806,259.42x = 1,208,640.42 × 356,740.20 - Step 4: Simplify right side
806,259.42x = 431,170,625,158.88 - Step 5: Solve for x
x = 431,170,625,158.88/806,259.42 - Step 6: Final answer
x = 534,779.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.