Finding the Fourth Proportional to 876,629.12, 1,314,981.14 and 344,265.53
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Solution
The fourth proportional to 876,629.12, 1,314,981.14 and 344,265.53 is: 516,413.00
Step by Step Solution
- Step 1: Write the proportion equation
876,629.12 : 1,314,981.14 = 344,265.53 : x - Step 2: Convert to fraction form
876,629.12/1,314,981.14 = 344,265.53/x - Step 3: Cross multiply
876,629.12x = 1,314,981.14 × 344,265.53 - Step 4: Simplify right side
876,629.12x = 452,702,670,805.87 - Step 5: Solve for x
x = 452,702,670,805.87/876,629.12 - Step 6: Final answer
x = 516,413.00
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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.