Finding the Fourth Proportional to 654,340.62, 902,991.47 and 367,863.06
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Solution
The fourth proportional to 654,340.62, 902,991.47 and 367,863.06 is: 507,651.82
Step by Step Solution
- Step 1: Write the proportion equation
654,340.62 : 902,991.47 = 367,863.06 : x - Step 2: Convert to fraction form
654,340.62/902,991.47 = 367,863.06/x - Step 3: Cross multiply
654,340.62x = 902,991.47 × 367,863.06 - Step 4: Simplify right side
654,340.62x = 332,177,203,468.78 - Step 5: Solve for x
x = 332,177,203,468.78/654,340.62 - Step 6: Final answer
x = 507,651.82
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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.