Finding the Fourth Proportional to 867,491.28, 1,296,212.58 and 626,457.96
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Solution
The fourth proportional to 867,491.28, 1,296,212.58 and 626,457.96 is: 936,058.62
Step by Step Solution
- Step 1: Write the proportion equation
867,491.28 : 1,296,212.58 = 626,457.96 : x - Step 2: Convert to fraction form
867,491.28/1,296,212.58 = 626,457.96/x - Step 3: Cross multiply
867,491.28x = 1,296,212.58 × 626,457.96 - Step 4: Simplify right side
867,491.28x = 812,022,688,593.14 - Step 5: Solve for x
x = 812,022,688,593.14/867,491.28 - Step 6: Final answer
x = 936,058.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.