Finding the Fourth Proportional to 464,550.35, 640,400.93 and 328,343.99
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Solution
The fourth proportional to 464,550.35, 640,400.93 and 328,343.99 is: 452,635.11
Step by Step Solution
- Step 1: Write the proportion equation
464,550.35 : 640,400.93 = 328,343.99 : x - Step 2: Convert to fraction form
464,550.35/640,400.93 = 328,343.99/x - Step 3: Cross multiply
464,550.35x = 640,400.93 × 328,343.99 - Step 4: Simplify right side
464,550.35x = 210,271,796,555.91 - Step 5: Solve for x
x = 210,271,796,555.91/464,550.35 - Step 6: Final answer
x = 452,635.11
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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.