Finding the Fourth Proportional to 752,034.06, 1,128,413.16 and 352,610.10
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Solution
The fourth proportional to 752,034.06, 1,128,413.16 and 352,610.10 is: 529,084.92
Step by Step Solution
- Step 1: Write the proportion equation
752,034.06 : 1,128,413.16 = 352,610.10 : x - Step 2: Convert to fraction form
752,034.06/1,128,413.16 = 352,610.10/x - Step 3: Cross multiply
752,034.06x = 1,128,413.16 × 352,610.10 - Step 4: Simplify right side
752,034.06x = 397,889,877,188.92 - Step 5: Solve for x
x = 397,889,877,188.92/752,034.06 - Step 6: Final answer
x = 529,084.92
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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.