Finding the Fourth Proportional to 862,542.44, 1,292,155.44 and 482,309.94
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Solution
The fourth proportional to 862,542.44, 1,292,155.44 and 482,309.94 is: 722,537.68
Step by Step Solution
- Step 1: Write the proportion equation
862,542.44 : 1,292,155.44 = 482,309.94 : x - Step 2: Convert to fraction form
862,542.44/1,292,155.44 = 482,309.94/x - Step 3: Cross multiply
862,542.44x = 1,292,155.44 × 482,309.94 - Step 4: Simplify right side
862,542.44x = 623,219,415,773.99 - Step 5: Solve for x
x = 623,219,415,773.99/862,542.44 - Step 6: Final answer
x = 722,537.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.