Finding the Fourth Proportional to 513,326.99, 769,596.82 and 313,741.37
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Solution
The fourth proportional to 513,326.99, 769,596.82 and 313,741.37 is: 470,371.45
Step by Step Solution
- Step 1: Write the proportion equation
513,326.99 : 769,596.82 = 313,741.37 : x - Step 2: Convert to fraction form
513,326.99/769,596.82 = 313,741.37/x - Step 3: Cross multiply
513,326.99x = 769,596.82 × 313,741.37 - Step 4: Simplify right side
513,326.99x = 241,454,361,794.08 - Step 5: Solve for x
x = 241,454,361,794.08/513,326.99 - Step 6: Final answer
x = 470,371.45
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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.