Finding the Fourth Proportional to 549,855.70, 823,709.79 and 261,256.62
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Solution
The fourth proportional to 549,855.70, 823,709.79 and 261,256.62 is: 391,374.75
Step by Step Solution
- Step 1: Write the proportion equation
549,855.70 : 823,709.79 = 261,256.62 : x - Step 2: Convert to fraction form
549,855.70/823,709.79 = 261,256.62/x - Step 3: Cross multiply
549,855.70x = 823,709.79 × 261,256.62 - Step 4: Simplify right side
549,855.70x = 215,199,633,829.15 - Step 5: Solve for x
x = 215,199,633,829.15/549,855.70 - Step 6: Final answer
x = 391,374.75
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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.