Finding the Fourth Proportional to 964,437.55, 1,447,523.61 and 515,542.13
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Solution
The fourth proportional to 964,437.55, 1,447,523.61 and 515,542.13 is: 773,776.80
Step by Step Solution
- Step 1: Write the proportion equation
964,437.55 : 1,447,523.61 = 515,542.13 : x - Step 2: Convert to fraction form
964,437.55/1,447,523.61 = 515,542.13/x - Step 3: Cross multiply
964,437.55x = 1,447,523.61 × 515,542.13 - Step 4: Simplify right side
964,437.55x = 746,259,397,887.07 - Step 5: Solve for x
x = 746,259,397,887.07/964,437.55 - Step 6: Final answer
x = 773,776.80
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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.