Finding the Fourth Proportional to 780,992.28, 1,170,149.76 and 524,344.05
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Solution
The fourth proportional to 780,992.28, 1,170,149.76 and 524,344.05 is: 785,617.32
Step by Step Solution
- Step 1: Write the proportion equation
780,992.28 : 1,170,149.76 = 524,344.05 : x - Step 2: Convert to fraction form
780,992.28/1,170,149.76 = 524,344.05/x - Step 3: Cross multiply
780,992.28x = 1,170,149.76 × 524,344.05 - Step 4: Simplify right side
780,992.28x = 613,561,064,264.93 - Step 5: Solve for x
x = 613,561,064,264.93/780,992.28 - Step 6: Final answer
x = 785,617.32
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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.