Finding the Fourth Proportional to 762,677.58, 1,052,988.08 and 472,596.96
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Solution
The fourth proportional to 762,677.58, 1,052,988.08 and 472,596.96 is: 652,489.31
Step by Step Solution
- Step 1: Write the proportion equation
762,677.58 : 1,052,988.08 = 472,596.96 : x - Step 2: Convert to fraction form
762,677.58/1,052,988.08 = 472,596.96/x - Step 3: Cross multiply
762,677.58x = 1,052,988.08 × 472,596.96 - Step 4: Simplify right side
762,677.58x = 497,638,965,524.24 - Step 5: Solve for x
x = 497,638,965,524.24/762,677.58 - Step 6: Final answer
x = 652,489.31
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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.