Finding the Fourth Proportional to 943,227.05, 1,301,612.49 and 513,508.68
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Solution
The fourth proportional to 943,227.05, 1,301,612.49 and 513,508.68 is: 708,619.75
Step by Step Solution
- Step 1: Write the proportion equation
943,227.05 : 1,301,612.49 = 513,508.68 : x - Step 2: Convert to fraction form
943,227.05/1,301,612.49 = 513,508.68/x - Step 3: Cross multiply
943,227.05x = 1,301,612.49 × 513,508.68 - Step 4: Simplify right side
943,227.05x = 668,389,311,611.41 - Step 5: Solve for x
x = 668,389,311,611.41/943,227.05 - Step 6: Final answer
x = 708,619.75
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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.