Finding the Fourth Proportional to 826,735.55, 1,140,806.97 and 464,198.99
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Solution
The fourth proportional to 826,735.55, 1,140,806.97 and 464,198.99 is: 640,545.14
Step by Step Solution
- Step 1: Write the proportion equation
826,735.55 : 1,140,806.97 = 464,198.99 : x - Step 2: Convert to fraction form
826,735.55/1,140,806.97 = 464,198.99/x - Step 3: Cross multiply
826,735.55x = 1,140,806.97 × 464,198.99 - Step 4: Simplify right side
826,735.55x = 529,561,437,554.93 - Step 5: Solve for x
x = 529,561,437,554.93/826,735.55 - Step 6: Final answer
x = 640,545.14
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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.