Finding the Fourth Proportional to 963,614.70, 1,445,422.05 and 432,173.70
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Solution
The fourth proportional to 963,614.70, 1,445,422.05 and 432,173.70 is: 648,260.55
Step by Step Solution
- Step 1: Write the proportion equation
963,614.70 : 1,445,422.05 = 432,173.70 : x - Step 2: Convert to fraction form
963,614.70/1,445,422.05 = 432,173.70/x - Step 3: Cross multiply
963,614.70x = 1,445,422.05 × 432,173.70 - Step 4: Simplify right side
963,614.70x = 624,673,395,410.09 - Step 5: Solve for x
x = 624,673,395,410.09/963,614.70 - Step 6: Final answer
x = 648,260.55
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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.