Finding the Fourth Proportional to 793,589.21, 1,094,407.12 and 612,013.53
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Solution
The fourth proportional to 793,589.21, 1,094,407.12 and 612,013.53 is: 844,003.37
Step by Step Solution
- Step 1: Write the proportion equation
793,589.21 : 1,094,407.12 = 612,013.53 : x - Step 2: Convert to fraction form
793,589.21/1,094,407.12 = 612,013.53/x - Step 3: Cross multiply
793,589.21x = 1,094,407.12 × 612,013.53 - Step 4: Simplify right side
793,589.21x = 669,791,961,708.27 - Step 5: Solve for x
x = 669,791,961,708.27/793,589.21 - Step 6: Final answer
x = 844,003.37
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1.5x scale
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.