Finding the Fourth Proportional to 724,402.55, 1,087,318.97 and 543,860.03
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Solution
The fourth proportional to 724,402.55, 1,087,318.97 and 543,860.03 is: 816,326.95
Step by Step Solution
- Step 1: Write the proportion equation
724,402.55 : 1,087,318.97 = 543,860.03 : x - Step 2: Convert to fraction form
724,402.55/1,087,318.97 = 543,860.03/x - Step 3: Cross multiply
724,402.55x = 1,087,318.97 × 543,860.03 - Step 4: Simplify right side
724,402.55x = 591,349,327,643.77 - Step 5: Solve for x
x = 591,349,327,643.77/724,402.55 - Step 6: Final answer
x = 816,326.95
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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.