Finding the Fourth Proportional to 936,977.63, 1,292,447.75 and 691,711.65
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Solution
The fourth proportional to 936,977.63, 1,292,447.75 and 691,711.65 is: 954,132.88
Step by Step Solution
- Step 1: Write the proportion equation
936,977.63 : 1,292,447.75 = 691,711.65 : x - Step 2: Convert to fraction form
936,977.63/1,292,447.75 = 691,711.65/x - Step 3: Cross multiply
936,977.63x = 1,292,447.75 × 691,711.65 - Step 4: Simplify right side
936,977.63x = 894,001,162,232.73 - Step 5: Solve for x
x = 894,001,162,232.73/936,977.63 - Step 6: Final answer
x = 954,132.88
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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.