Finding the Fourth Proportional to 629,291.12, 868,413.90 and 342,805.05
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Solution
The fourth proportional to 629,291.12, 868,413.90 and 342,805.05 is: 473,066.70
Step by Step Solution
- Step 1: Write the proportion equation
629,291.12 : 868,413.90 = 342,805.05 : x - Step 2: Convert to fraction form
629,291.12/868,413.90 = 342,805.05/x - Step 3: Cross multiply
629,291.12x = 868,413.90 × 342,805.05 - Step 4: Simplify right side
629,291.12x = 297,696,670,410.20 - Step 5: Solve for x
x = 297,696,670,410.20/629,291.12 - Step 6: Final answer
x = 473,066.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.