Finding the Fourth Proportional to 755,413.68, 1,042,648.20 and 433,117.92
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Solution
The fourth proportional to 755,413.68, 1,042,648.20 and 433,117.92 is: 597,804.40
Step by Step Solution
- Step 1: Write the proportion equation
755,413.68 : 1,042,648.20 = 433,117.92 : x - Step 2: Convert to fraction form
755,413.68/1,042,648.20 = 433,117.92/x - Step 3: Cross multiply
755,413.68x = 1,042,648.20 × 433,117.92 - Step 4: Simplify right side
755,413.68x = 451,589,619,675.74 - Step 5: Solve for x
x = 451,589,619,675.74/755,413.68 - Step 6: Final answer
x = 597,804.40
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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.