Finding the Fourth Proportional to 855,639.98, 1,181,583.30 and 550,246.70
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Solution
The fourth proportional to 855,639.98, 1,181,583.30 and 550,246.70 is: 759,854.99
Step by Step Solution
- Step 1: Write the proportion equation
855,639.98 : 1,181,583.30 = 550,246.70 : x - Step 2: Convert to fraction form
855,639.98/1,181,583.30 = 550,246.70/x - Step 3: Cross multiply
855,639.98x = 1,181,583.30 × 550,246.70 - Step 4: Simplify right side
855,639.98x = 650,162,311,600.11 - Step 5: Solve for x
x = 650,162,311,600.11/855,639.98 - Step 6: Final answer
x = 759,854.99
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1.5x scale
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.