Finding the Fourth Proportional to 761,413.74, 1,050,750.96 and 421,881.99
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Solution
The fourth proportional to 761,413.74, 1,050,750.96 and 421,881.99 is: 582,197.15
Step by Step Solution
- Step 1: Write the proportion equation
761,413.74 : 1,050,750.96 = 421,881.99 : x - Step 2: Convert to fraction form
761,413.74/1,050,750.96 = 421,881.99/x - Step 3: Cross multiply
761,413.74x = 1,050,750.96 × 421,881.99 - Step 4: Simplify right side
761,413.74x = 443,292,905,999.21 - Step 5: Solve for x
x = 443,292,905,999.21/761,413.74 - Step 6: Final answer
x = 582,197.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.