Finding the Fourth Proportional to 765,301.92, 1,056,116.64 and 425,770.08
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Solution
The fourth proportional to 765,301.92, 1,056,116.64 and 425,770.08 is: 587,562.71
Step by Step Solution
- Step 1: Write the proportion equation
765,301.92 : 1,056,116.64 = 425,770.08 : x - Step 2: Convert to fraction form
765,301.92/1,056,116.64 = 425,770.08/x - Step 3: Cross multiply
765,301.92x = 1,056,116.64 × 425,770.08 - Step 4: Simplify right side
765,301.92x = 449,662,866,302.13 - Step 5: Solve for x
x = 449,662,866,302.13/765,301.92 - Step 6: Final answer
x = 587,562.71
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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.