Finding the Fourth Proportional to 761,413.24, 1,050,750.27 and 421,881.49
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Solution
The fourth proportional to 761,413.24, 1,050,750.27 and 421,881.49 is: 582,196.46
Step by Step Solution
- Step 1: Write the proportion equation
761,413.24 : 1,050,750.27 = 421,881.49 : x - Step 2: Convert to fraction form
761,413.24/1,050,750.27 = 421,881.49/x - Step 3: Cross multiply
761,413.24x = 1,050,750.27 × 421,881.49 - Step 4: Simplify right side
761,413.24x = 443,292,089,525.50 - Step 5: Solve for x
x = 443,292,089,525.50/761,413.24 - Step 6: Final answer
x = 582,196.46
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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.