Finding the Fourth Proportional to 802,331.04, 1,107,229.92 and 439,789.68
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Solution
The fourth proportional to 802,331.04, 1,107,229.92 and 439,789.68 is: 606,916.93
Step by Step Solution
- Step 1: Write the proportion equation
802,331.04 : 1,107,229.92 = 439,789.68 : x - Step 2: Convert to fraction form
802,331.04/1,107,229.92 = 439,789.68/x - Step 3: Cross multiply
802,331.04x = 1,107,229.92 × 439,789.68 - Step 4: Simplify right side
802,331.04x = 486,948,292,203.23 - Step 5: Solve for x
x = 486,948,292,203.23/802,331.04 - Step 6: Final answer
x = 606,916.93
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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.