Finding the Fourth Proportional to 939,465.29, 1,296,457.76 and 509,744.36
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Solution
The fourth proportional to 939,465.29, 1,296,457.76 and 509,744.36 is: 703,444.86
Step by Step Solution
- Step 1: Write the proportion equation
939,465.29 : 1,296,457.76 = 509,744.36 : x - Step 2: Convert to fraction form
939,465.29/1,296,457.76 = 509,744.36/x - Step 3: Cross multiply
939,465.29x = 1,296,457.76 × 509,744.36 - Step 4: Simplify right side
939,465.29x = 660,862,022,107.22 - Step 5: Solve for x
x = 660,862,022,107.22/939,465.29 - Step 6: Final answer
x = 703,444.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.