Finding the Fourth Proportional to 484,335.42, 726,495.83 and 217,907.79
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Solution
The fourth proportional to 484,335.42, 726,495.83 and 217,907.79 is: 326,858.40
Step by Step Solution
- Step 1: Write the proportion equation
484,335.42 : 726,495.83 = 217,907.79 : x - Step 2: Convert to fraction form
484,335.42/726,495.83 = 217,907.79/x - Step 3: Cross multiply
484,335.42x = 726,495.83 × 217,907.79 - Step 4: Simplify right side
484,335.42x = 158,309,099,669.98 - Step 5: Solve for x
x = 158,309,099,669.98/484,335.42 - Step 6: Final answer
x = 326,858.40
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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.