Finding the Fourth Proportional to 684,604.71, 1,027,150.34 and 305,490.96
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Solution
The fourth proportional to 684,604.71, 1,027,150.34 and 305,490.96 is: 458,344.99
Step by Step Solution
- Step 1: Write the proportion equation
684,604.71 : 1,027,150.34 = 305,490.96 : x - Step 2: Convert to fraction form
684,604.71/1,027,150.34 = 305,490.96/x - Step 3: Cross multiply
684,604.71x = 1,027,150.34 × 305,490.96 - Step 4: Simplify right side
684,604.71x = 313,785,141,903.47 - Step 5: Solve for x
x = 313,785,141,903.47/684,604.71 - Step 6: Final answer
x = 458,344.99
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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.