Finding the Fourth Proportional to 863,405.70, 1,295,108.55 and 653,453.70
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Solution
The fourth proportional to 863,405.70, 1,295,108.55 and 653,453.70 is: 980,180.55
Step by Step Solution
- Step 1: Write the proportion equation
863,405.70 : 1,295,108.55 = 653,453.70 : x - Step 2: Convert to fraction form
863,405.70/1,295,108.55 = 653,453.70/x - Step 3: Cross multiply
863,405.70x = 1,295,108.55 × 653,453.70 - Step 4: Simplify right side
863,405.70x = 846,293,473,899.14 - Step 5: Solve for x
x = 846,293,473,899.14/863,405.70 - Step 6: Final answer
x = 980,180.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.