Finding the Fourth Proportional to 894,413.36, 1,234,309.56 and 492,005.36
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Solution
The fourth proportional to 894,413.36, 1,234,309.56 and 492,005.36 is: 678,977.92
Step by Step Solution
- Step 1: Write the proportion equation
894,413.36 : 1,234,309.56 = 492,005.36 : x - Step 2: Convert to fraction form
894,413.36/1,234,309.56 = 492,005.36/x - Step 3: Cross multiply
894,413.36x = 1,234,309.56 × 492,005.36 - Step 4: Simplify right side
894,413.36x = 607,286,919,419.24 - Step 5: Solve for x
x = 607,286,919,419.24/894,413.36 - Step 6: Final answer
x = 678,977.92
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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.