Finding the Fourth Proportional to 629,479.12, 943,531.68 and 309,850.96
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Solution
The fourth proportional to 629,479.12, 943,531.68 and 309,850.96 is: 464,438.28
Step by Step Solution
- Step 1: Write the proportion equation
629,479.12 : 943,531.68 = 309,850.96 : x - Step 2: Convert to fraction form
629,479.12/943,531.68 = 309,850.96/x - Step 3: Cross multiply
629,479.12x = 943,531.68 × 309,850.96 - Step 4: Simplify right side
629,479.12x = 292,354,196,838.41 - Step 5: Solve for x
x = 292,354,196,838.41/629,479.12 - Step 6: Final answer
x = 464,438.28
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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.