Finding the Fourth Proportional to 863,120.16, 1,296,821.76 and 559,707.36
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Solution
The fourth proportional to 863,120.16, 1,296,821.76 and 559,707.36 is: 840,949.75
Step by Step Solution
- Step 1: Write the proportion equation
863,120.16 : 1,296,821.76 = 559,707.36 : x - Step 2: Convert to fraction form
863,120.16/1,296,821.76 = 559,707.36/x - Step 3: Cross multiply
863,120.16x = 1,296,821.76 × 559,707.36 - Step 4: Simplify right side
863,120.16x = 725,840,683,680.15 - Step 5: Solve for x
x = 725,840,683,680.15/863,120.16 - Step 6: Final answer
x = 840,949.75
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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.