Finding the Fourth Proportional to 950,589.49, 1,311,843.99 and 520,896.91
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Solution
The fourth proportional to 950,589.49, 1,311,843.99 and 520,896.91 is: 718,854.45
Step by Step Solution
- Step 1: Write the proportion equation
950,589.49 : 1,311,843.99 = 520,896.91 : x - Step 2: Convert to fraction form
950,589.49/1,311,843.99 = 520,896.91/x - Step 3: Cross multiply
950,589.49x = 1,311,843.99 × 520,896.91 - Step 4: Simplify right side
950,589.49x = 683,335,480,793.07 - Step 5: Solve for x
x = 683,335,480,793.07/950,589.49 - Step 6: Final answer
x = 718,854.45
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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.