Finding the Fourth Proportional to 760,187.68, 1,139,944.56 and 405,135.52
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Solution
The fourth proportional to 760,187.68, 1,139,944.56 and 405,135.52 is: 607,523.70
Step by Step Solution
- Step 1: Write the proportion equation
760,187.68 : 1,139,944.56 = 405,135.52 : x - Step 2: Convert to fraction form
760,187.68/1,139,944.56 = 405,135.52/x - Step 3: Cross multiply
760,187.68x = 1,139,944.56 × 405,135.52 - Step 4: Simplify right side
760,187.68x = 461,832,032,086.77 - Step 5: Solve for x
x = 461,832,032,086.77/760,187.68 - Step 6: Final answer
x = 607,523.70
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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.