Finding the Fourth Proportional to 441,617.10, 663,409.80 and 423,683.70
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Solution
The fourth proportional to 441,617.10, 663,409.80 and 423,683.70 is: 636,469.74
Step by Step Solution
- Step 1: Write the proportion equation
441,617.10 : 663,409.80 = 423,683.70 : x - Step 2: Convert to fraction form
441,617.10/663,409.80 = 423,683.70/x - Step 3: Cross multiply
441,617.10x = 663,409.80 × 423,683.70 - Step 4: Simplify right side
441,617.10x = 281,075,918,680.26 - Step 5: Solve for x
x = 281,075,918,680.26/441,617.10 - Step 6: Final answer
x = 636,469.74
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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.