Finding the Fourth Proportional to 538,936.80, 807,355.08 and 328,051.68
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Solution
The fourth proportional to 538,936.80, 807,355.08 and 328,051.68 is: 491,438.31
Step by Step Solution
- Step 1: Write the proportion equation
538,936.80 : 807,355.08 = 328,051.68 : x - Step 2: Convert to fraction form
538,936.80/807,355.08 = 328,051.68/x - Step 3: Cross multiply
538,936.80x = 807,355.08 × 328,051.68 - Step 4: Simplify right side
538,936.80x = 264,854,190,350.53 - Step 5: Solve for x
x = 264,854,190,350.53/538,936.80 - Step 6: Final answer
x = 491,438.31
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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.