Finding the Fourth Proportional to 816,594.21, 1,126,913.11 and 449,085.87
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Solution
The fourth proportional to 816,594.21, 1,126,913.11 and 449,085.87 is: 619,745.70
Step by Step Solution
- Step 1: Write the proportion equation
816,594.21 : 1,126,913.11 = 449,085.87 : x - Step 2: Convert to fraction form
816,594.21/1,126,913.11 = 449,085.87/x - Step 3: Cross multiply
816,594.21x = 1,126,913.11 × 449,085.87 - Step 4: Simplify right side
816,594.21x = 506,080,753,296.04 - Step 5: Solve for x
x = 506,080,753,296.04/816,594.21 - Step 6: Final answer
x = 619,745.70
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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.