Finding the Fourth Proportional to 497,439.04, 686,270.99 and 306,120.28
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Solution
The fourth proportional to 497,439.04, 686,270.99 and 306,120.28 is: 422,326.06
Step by Step Solution
- Step 1: Write the proportion equation
497,439.04 : 686,270.99 = 306,120.28 : x - Step 2: Convert to fraction form
497,439.04/686,270.99 = 306,120.28/x - Step 3: Cross multiply
497,439.04x = 686,270.99 × 306,120.28 - Step 4: Simplify right side
497,439.04x = 210,081,467,614.68 - Step 5: Solve for x
x = 210,081,467,614.68/497,439.04 - Step 6: Final answer
x = 422,326.06
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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.