Finding the Fourth Proportional to 860,735.76, 1,188,135.12 and 739,390.07
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Solution
The fourth proportional to 860,735.76, 1,188,135.12 and 739,390.07 is: 1,020,632.98
Step by Step Solution
- Step 1: Write the proportion equation
860,735.76 : 1,188,135.12 = 739,390.07 : x - Step 2: Convert to fraction form
860,735.76/1,188,135.12 = 739,390.07/x - Step 3: Cross multiply
860,735.76x = 1,188,135.12 × 739,390.07 - Step 4: Simplify right side
860,735.76x = 878,495,299,908.63 - Step 5: Solve for x
x = 878,495,299,908.63/860,735.76 - Step 6: Final answer
x = 1,020,632.98
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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.