Finding the Fourth Proportional to 938,647.88, 1,295,343.70 and 508,928.84
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Solution
The fourth proportional to 938,647.88, 1,295,343.70 and 508,928.84 is: 702,327.02
Step by Step Solution
- Step 1: Write the proportion equation
938,647.88 : 1,295,343.70 = 508,928.84 : x - Step 2: Convert to fraction form
938,647.88/1,295,343.70 = 508,928.84/x - Step 3: Cross multiply
938,647.88x = 1,295,343.70 × 508,928.84 - Step 4: Simplify right side
938,647.88x = 659,237,766,642.31 - Step 5: Solve for x
x = 659,237,766,642.31/938,647.88 - Step 6: Final answer
x = 702,327.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.