Finding the Fourth Proportional to 659,217.26, 909,787.62 and 401,112.98
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Solution
The fourth proportional to 659,217.26, 909,787.62 and 401,112.98 is: 553,577.17
Step by Step Solution
- Step 1: Write the proportion equation
659,217.26 : 909,787.62 = 401,112.98 : x - Step 2: Convert to fraction form
659,217.26/909,787.62 = 401,112.98/x - Step 3: Cross multiply
659,217.26x = 909,787.62 × 401,112.98 - Step 4: Simplify right side
659,217.26x = 364,927,623,425.31 - Step 5: Solve for x
x = 364,927,623,425.31/659,217.26 - Step 6: Final answer
x = 553,577.17
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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.