Finding the Fourth Proportional to 938,655.36, 1,407,361.04 and 339,537.76
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Solution
The fourth proportional to 938,655.36, 1,407,361.04 and 339,537.76 is: 509,081.65
Step by Step Solution
- Step 1: Write the proportion equation
938,655.36 : 1,407,361.04 = 339,537.76 : x - Step 2: Convert to fraction form
938,655.36/1,407,361.04 = 339,537.76/x - Step 3: Cross multiply
938,655.36x = 1,407,361.04 × 339,537.76 - Step 4: Simplify right side
938,655.36x = 477,852,215,032.87 - Step 5: Solve for x
x = 477,852,215,032.87/938,655.36 - Step 6: Final answer
x = 509,081.65
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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.