Finding the Fourth Proportional to 770,935.51, 1,155,738.12 and 371,026.09
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Solution
The fourth proportional to 770,935.51, 1,155,738.12 and 371,026.09 is: 556,219.02
Step by Step Solution
- Step 1: Write the proportion equation
770,935.51 : 1,155,738.12 = 371,026.09 : x - Step 2: Convert to fraction form
770,935.51/1,155,738.12 = 371,026.09/x - Step 3: Cross multiply
770,935.51x = 1,155,738.12 × 371,026.09 - Step 4: Simplify right side
770,935.51x = 428,808,995,727.55 - Step 5: Solve for x
x = 428,808,995,727.55/770,935.51 - Step 6: Final answer
x = 556,219.02
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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.