Finding the Fourth Proportional to 832,412.36, 1,248,775.98 and 263,936.60
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Solution
The fourth proportional to 832,412.36, 1,248,775.98 and 263,936.60 is: 395,954.82
Step by Step Solution
- Step 1: Write the proportion equation
832,412.36 : 1,248,775.98 = 263,936.60 : x - Step 2: Convert to fraction form
832,412.36/1,248,775.98 = 263,936.60/x - Step 3: Cross multiply
832,412.36x = 1,248,775.98 × 263,936.60 - Step 4: Simplify right side
832,412.36x = 329,597,686,322.87 - Step 5: Solve for x
x = 329,597,686,322.87/832,412.36 - Step 6: Final answer
x = 395,954.82
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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.