Finding the Fourth Proportional to 864,413.46, 1,193,046.71 and 515,576.23
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Solution
The fourth proportional to 864,413.46, 1,193,046.71 and 515,576.23 is: 711,588.32
Step by Step Solution
- Step 1: Write the proportion equation
864,413.46 : 1,193,046.71 = 515,576.23 : x - Step 2: Convert to fraction form
864,413.46/1,193,046.71 = 515,576.23/x - Step 3: Cross multiply
864,413.46x = 1,193,046.71 × 515,576.23 - Step 4: Simplify right side
864,413.46x = 615,106,519,395.21 - Step 5: Solve for x
x = 615,106,519,395.21/864,413.46 - Step 6: Final answer
x = 711,588.32
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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.