Finding the Fourth Proportional to 698,909.36, 1,048,364.06 and 225,664.44
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Solution
The fourth proportional to 698,909.36, 1,048,364.06 and 225,664.44 is: 338,496.67
Step by Step Solution
- Step 1: Write the proportion equation
698,909.36 : 1,048,364.06 = 225,664.44 : x - Step 2: Convert to fraction form
698,909.36/1,048,364.06 = 225,664.44/x - Step 3: Cross multiply
698,909.36x = 1,048,364.06 × 225,664.44 - Step 4: Simplify right side
698,909.36x = 236,578,488,516.03 - Step 5: Solve for x
x = 236,578,488,516.03/698,909.36 - Step 6: Final answer
x = 338,496.67
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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.