Finding the Fourth Proportional to 738,877.82, 1,108,327.68 and 487,766.48
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Solution
The fourth proportional to 738,877.82, 1,108,327.68 and 487,766.48 is: 731,656.95
Step by Step Solution
- Step 1: Write the proportion equation
738,877.82 : 1,108,327.68 = 487,766.48 : x - Step 2: Convert to fraction form
738,877.82/1,108,327.68 = 487,766.48/x - Step 3: Cross multiply
738,877.82x = 1,108,327.68 × 487,766.48 - Step 4: Simplify right side
738,877.82x = 540,605,093,930.99 - Step 5: Solve for x
x = 540,605,093,930.99/738,877.82 - Step 6: Final answer
x = 731,656.95
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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.