Finding the Fourth Proportional to 963,143.97, 1,329,125.27 and 555,246.60
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Solution
The fourth proportional to 963,143.97, 1,329,125.27 and 555,246.60 is: 766,232.58
Step by Step Solution
- Step 1: Write the proportion equation
963,143.97 : 1,329,125.27 = 555,246.60 : x - Step 2: Convert to fraction form
963,143.97/1,329,125.27 = 555,246.60/x - Step 3: Cross multiply
963,143.97x = 1,329,125.27 × 555,246.60 - Step 4: Simplify right side
963,143.97x = 737,992,284,365.35 - Step 5: Solve for x
x = 737,992,284,365.35/963,143.97 - Step 6: Final answer
x = 766,232.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.