Finding the Fourth Proportional to 780,952.42, 1,170,404.79 and 444,147.94
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Solution
The fourth proportional to 780,952.42, 1,170,404.79 and 444,147.94 is: 665,639.63
Step by Step Solution
- Step 1: Write the proportion equation
780,952.42 : 1,170,404.79 = 444,147.94 : x - Step 2: Convert to fraction form
780,952.42/1,170,404.79 = 444,147.94/x - Step 3: Cross multiply
780,952.42x = 1,170,404.79 × 444,147.94 - Step 4: Simplify right side
780,952.42x = 519,832,876,444.63 - Step 5: Solve for x
x = 519,832,876,444.63/780,952.42 - Step 6: Final answer
x = 665,639.63
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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.