Finding the Fourth Proportional to 513,072.18, 765,850.91 and 452,471.63
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Solution
The fourth proportional to 513,072.18, 765,850.91 and 452,471.63 is: 675,393.87
Step by Step Solution
- Step 1: Write the proportion equation
513,072.18 : 765,850.91 = 452,471.63 : x - Step 2: Convert to fraction form
513,072.18/765,850.91 = 452,471.63/x - Step 3: Cross multiply
513,072.18x = 765,850.91 × 452,471.63 - Step 4: Simplify right side
513,072.18x = 346,525,803,493.07 - Step 5: Solve for x
x = 346,525,803,493.07/513,072.18 - Step 6: Final answer
x = 675,393.87
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.