Finding the Fourth Proportional to 939,413.50, 1,296,352.83 and 509,677.18
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Solution
The fourth proportional to 939,413.50, 1,296,352.83 and 509,677.18 is: 703,334.00
Step by Step Solution
- Step 1: Write the proportion equation
939,413.50 : 1,296,352.83 = 509,677.18 : x - Step 2: Convert to fraction form
939,413.50/1,296,352.83 = 509,677.18/x - Step 3: Cross multiply
939,413.50x = 1,296,352.83 × 509,677.18 - Step 4: Simplify right side
939,413.50x = 660,721,454,679.42 - Step 5: Solve for x
x = 660,721,454,679.42/939,413.50 - Step 6: Final answer
x = 703,334.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.