Finding the Fourth Proportional to 698,911.74, 1,048,250.82 and 193,523.79
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Solution
The fourth proportional to 698,911.74, 1,048,250.82 and 193,523.79 is: 290,253.35
Step by Step Solution
- Step 1: Write the proportion equation
698,911.74 : 1,048,250.82 = 193,523.79 : x - Step 2: Convert to fraction form
698,911.74/1,048,250.82 = 193,523.79/x - Step 3: Cross multiply
698,911.74x = 1,048,250.82 × 193,523.79 - Step 4: Simplify right side
698,911.74x = 202,861,471,557.01 - Step 5: Solve for x
x = 202,861,471,557.01/698,911.74 - Step 6: Final answer
x = 290,253.35
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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.