Finding the Fourth Proportional to 564,498.27, 779,000.99 and 306,375.68
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Solution
The fourth proportional to 564,498.27, 779,000.99 and 306,375.68 is: 422,794.84
Step by Step Solution
- Step 1: Write the proportion equation
564,498.27 : 779,000.99 = 306,375.68 : x - Step 2: Convert to fraction form
564,498.27/779,000.99 = 306,375.68/x - Step 3: Cross multiply
564,498.27x = 779,000.99 × 306,375.68 - Step 4: Simplify right side
564,498.27x = 238,666,958,447.55 - Step 5: Solve for x
x = 238,666,958,447.55/564,498.27 - Step 6: Final answer
x = 422,794.84
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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.