Finding the Fourth Proportional to 913,531.38, 1,370,389.14 and 314,413.80
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Solution
The fourth proportional to 913,531.38, 1,370,389.14 and 314,413.80 is: 471,652.39
Step by Step Solution
- Step 1: Write the proportion equation
913,531.38 : 1,370,389.14 = 314,413.80 : x - Step 2: Convert to fraction form
913,531.38/1,370,389.14 = 314,413.80/x - Step 3: Cross multiply
913,531.38x = 1,370,389.14 × 314,413.80 - Step 4: Simplify right side
913,531.38x = 430,869,256,986.13 - Step 5: Solve for x
x = 430,869,256,986.13/913,531.38 - Step 6: Final answer
x = 471,652.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.