Finding the Fourth Proportional to 937,317.21, 1,292,780.11 and 647,413.93
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Solution
The fourth proportional to 937,317.21, 1,292,780.11 and 647,413.93 is: 892,935.54
Step by Step Solution
- Step 1: Write the proportion equation
937,317.21 : 1,292,780.11 = 647,413.93 : x - Step 2: Convert to fraction form
937,317.21/1,292,780.11 = 647,413.93/x - Step 3: Cross multiply
937,317.21x = 1,292,780.11 × 647,413.93 - Step 4: Simplify right side
937,317.21x = 836,963,851,640.93 - Step 5: Solve for x
x = 836,963,851,640.93/937,317.21 - Step 6: Final answer
x = 892,935.54
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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.