Finding the Fourth Proportional to 830,195.82, 1,245,393.48 and 784,794.99
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Solution
The fourth proportional to 830,195.82, 1,245,393.48 and 784,794.99 is: 1,177,286.78
Step by Step Solution
- Step 1: Write the proportion equation
830,195.82 : 1,245,393.48 = 784,794.99 : x - Step 2: Convert to fraction form
830,195.82/1,245,393.48 = 784,794.99/x - Step 3: Cross multiply
830,195.82x = 1,245,393.48 × 784,794.99 - Step 4: Simplify right side
830,195.82x = 977,378,563,682.67 - Step 5: Solve for x
x = 977,378,563,682.67/830,195.82 - Step 6: Final answer
x = 1,177,286.78
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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.