Finding the Fourth Proportional to 905,588.44, 1,249,439.24 and 542,879.96
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Solution
The fourth proportional to 905,588.44, 1,249,439.24 and 542,879.96 is: 749,010.80
Step by Step Solution
- Step 1: Write the proportion equation
905,588.44 : 1,249,439.24 = 542,879.96 : x - Step 2: Convert to fraction form
905,588.44/1,249,439.24 = 542,879.96/x - Step 3: Cross multiply
905,588.44x = 1,249,439.24 × 542,879.96 - Step 4: Simplify right side
905,588.44x = 678,295,519,743.63 - Step 5: Solve for x
x = 678,295,519,743.63/905,588.44 - Step 6: Final answer
x = 749,010.80
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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.