Finding the Fourth Proportional to 629,345.58, 944,313.61 and 313,827.09
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Solution
The fourth proportional to 629,345.58, 944,313.61 and 313,827.09 is: 470,887.86
Step by Step Solution
- Step 1: Write the proportion equation
629,345.58 : 944,313.61 = 313,827.09 : x - Step 2: Convert to fraction form
629,345.58/944,313.61 = 313,827.09/x - Step 3: Cross multiply
629,345.58x = 944,313.61 × 313,827.09 - Step 4: Simplify right side
629,345.58x = 296,351,192,273.70 - Step 5: Solve for x
x = 296,351,192,273.70/629,345.58 - Step 6: Final answer
x = 470,887.86
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1.5x scale
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.