Finding the Fourth Proportional to 866,782.18, 1,196,166.99 and 484,844.50
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Solution
The fourth proportional to 866,782.18, 1,196,166.99 and 484,844.50 is: 669,089.65
Step by Step Solution
- Step 1: Write the proportion equation
866,782.18 : 1,196,166.99 = 484,844.50 : x - Step 2: Convert to fraction form
866,782.18/1,196,166.99 = 484,844.50/x - Step 3: Cross multiply
866,782.18x = 1,196,166.99 × 484,844.50 - Step 4: Simplify right side
866,782.18x = 579,954,986,183.06 - Step 5: Solve for x
x = 579,954,986,183.06/866,782.18 - Step 6: Final answer
x = 669,089.65
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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.