Finding the Fourth Proportional to 488,268.95, 673,512.99 and 322,696.65
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Solution
The fourth proportional to 488,268.95, 673,512.99 and 322,696.65 is: 445,124.32
Step by Step Solution
- Step 1: Write the proportion equation
488,268.95 : 673,512.99 = 322,696.65 : x - Step 2: Convert to fraction form
488,268.95/673,512.99 = 322,696.65/x - Step 3: Cross multiply
488,268.95x = 673,512.99 × 322,696.65 - Step 4: Simplify right side
488,268.95x = 217,340,385,604.48 - Step 5: Solve for x
x = 217,340,385,604.48/488,268.95 - Step 6: Final answer
x = 445,124.32
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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.