Finding the Fourth Proportional to 748,594.92, 1,122,558.84 and 215,989.38
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Solution
The fourth proportional to 748,594.92, 1,122,558.84 and 215,989.38 is: 323,887.83
Step by Step Solution
- Step 1: Write the proportion equation
748,594.92 : 1,122,558.84 = 215,989.38 : x - Step 2: Convert to fraction form
748,594.92/1,122,558.84 = 215,989.38/x - Step 3: Cross multiply
748,594.92x = 1,122,558.84 × 215,989.38 - Step 4: Simplify right side
748,594.92x = 242,460,787,865.12 - Step 5: Solve for x
x = 242,460,787,865.12/748,594.92 - Step 6: Final answer
x = 323,887.83
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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.