Finding the Fourth Proportional to 762,840.24, 1,144,424.42 and 257,413.76
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Solution
The fourth proportional to 762,840.24, 1,144,424.42 and 257,413.76 is: 386,176.00
Step by Step Solution
- Step 1: Write the proportion equation
762,840.24 : 1,144,424.42 = 257,413.76 : x - Step 2: Convert to fraction form
762,840.24/1,144,424.42 = 257,413.76/x - Step 3: Cross multiply
762,840.24x = 1,144,424.42 × 257,413.76 - Step 4: Simplify right side
762,840.24x = 294,590,592,988.02 - Step 5: Solve for x
x = 294,590,592,988.02/762,840.24 - Step 6: Final answer
x = 386,176.00
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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.