Finding the Fourth Proportional to 487,729.62, 673,296.99 and 366,917.01
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Solution
The fourth proportional to 487,729.62, 673,296.99 and 366,917.01 is: 506,518.59
Step by Step Solution
- Step 1: Write the proportion equation
487,729.62 : 673,296.99 = 366,917.01 : x - Step 2: Convert to fraction form
487,729.62/673,296.99 = 366,917.01/x - Step 3: Cross multiply
487,729.62x = 673,296.99 × 366,917.01 - Step 4: Simplify right side
487,729.62x = 247,044,118,412.80 - Step 5: Solve for x
x = 247,044,118,412.80/487,729.62 - Step 6: Final answer
x = 506,518.59
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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.