Finding the Fourth Proportional to 868,802.70, 1,303,204.05 and 658,850.70
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Solution
The fourth proportional to 868,802.70, 1,303,204.05 and 658,850.70 is: 988,276.05
Step by Step Solution
- Step 1: Write the proportion equation
868,802.70 : 1,303,204.05 = 658,850.70 : x - Step 2: Convert to fraction form
868,802.70/1,303,204.05 = 658,850.70/x - Step 3: Cross multiply
868,802.70x = 1,303,204.05 × 658,850.70 - Step 4: Simplify right side
868,802.70x = 858,616,900,585.34 - Step 5: Solve for x
x = 858,616,900,585.34/868,802.70 - Step 6: Final answer
x = 988,276.05
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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.