Finding the Fourth Proportional to 938,402.06, 1,407,305.81 and 339,283.94
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Solution
The fourth proportional to 938,402.06, 1,407,305.81 and 339,283.94 is: 508,818.42
Step by Step Solution
- Step 1: Write the proportion equation
938,402.06 : 1,407,305.81 = 339,283.94 : x - Step 2: Convert to fraction form
938,402.06/1,407,305.81 = 339,283.94/x - Step 3: Cross multiply
938,402.06x = 1,407,305.81 × 339,283.94 - Step 4: Simplify right side
938,402.06x = 477,476,253,813.37 - Step 5: Solve for x
x = 477,476,253,813.37/938,402.06 - Step 6: Final answer
x = 508,818.42
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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.