Finding the Fourth Proportional to 877,508.84, 1,211,383.24 and 555,375.08
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Solution
The fourth proportional to 877,508.84, 1,211,383.24 and 555,375.08 is: 766,684.09
Step by Step Solution
- Step 1: Write the proportion equation
877,508.84 : 1,211,383.24 = 555,375.08 : x - Step 2: Convert to fraction form
877,508.84/1,211,383.24 = 555,375.08/x - Step 3: Cross multiply
877,508.84x = 1,211,383.24 × 555,375.08 - Step 4: Simplify right side
877,508.84x = 672,772,063,825.66 - Step 5: Solve for x
x = 672,772,063,825.66/877,508.84 - Step 6: Final answer
x = 766,684.09
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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.