Finding the Fourth Proportional to 781,229.04, 1,077,319.68 and 588,099.12
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Solution
The fourth proportional to 781,229.04, 1,077,319.68 and 588,099.12 is: 810,992.33
Step by Step Solution
- Step 1: Write the proportion equation
781,229.04 : 1,077,319.68 = 588,099.12 : x - Step 2: Convert to fraction form
781,229.04/1,077,319.68 = 588,099.12/x - Step 3: Cross multiply
781,229.04x = 1,077,319.68 × 588,099.12 - Step 4: Simplify right side
781,229.04x = 633,570,755,766.68 - Step 5: Solve for x
x = 633,570,755,766.68/781,229.04 - Step 6: Final answer
x = 810,992.33
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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.