Finding the Fourth Proportional to 727,041.68, 1,003,170.92 and 440,395.23
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Solution
The fourth proportional to 727,041.68, 1,003,170.92 and 440,395.23 is: 607,656.62
Step by Step Solution
- Step 1: Write the proportion equation
727,041.68 : 1,003,170.92 = 440,395.23 : x - Step 2: Convert to fraction form
727,041.68/1,003,170.92 = 440,395.23/x - Step 3: Cross multiply
727,041.68x = 1,003,170.92 × 440,395.23 - Step 4: Simplify right side
727,041.68x = 441,791,685,840.74 - Step 5: Solve for x
x = 441,791,685,840.74/727,041.68 - Step 6: Final answer
x = 607,656.62
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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.