Finding the Fourth Proportional to 739,745.99, 1,020,791.31 and 453,227.12
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Solution
The fourth proportional to 739,745.99, 1,020,791.31 and 453,227.12 is: 625,417.79
Step by Step Solution
- Step 1: Write the proportion equation
739,745.99 : 1,020,791.31 = 453,227.12 : x - Step 2: Convert to fraction form
739,745.99/1,020,791.31 = 453,227.12/x - Step 3: Cross multiply
739,745.99x = 1,020,791.31 × 453,227.12 - Step 4: Simplify right side
739,745.99x = 462,650,300,448.37 - Step 5: Solve for x
x = 462,650,300,448.37/739,745.99 - Step 6: Final answer
x = 625,417.79
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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.