Finding the Fourth Proportional to 629,344.58, 944,312.11 and 313,826.09
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Solution
The fourth proportional to 629,344.58, 944,312.11 and 313,826.09 is: 470,886.35
Step by Step Solution
- Step 1: Write the proportion equation
629,344.58 : 944,312.11 = 313,826.09 : x - Step 2: Convert to fraction form
629,344.58/944,312.11 = 313,826.09/x - Step 3: Cross multiply
629,344.58x = 944,312.11 × 313,826.09 - Step 4: Simplify right side
629,344.58x = 296,349,772,499.39 - Step 5: Solve for x
x = 296,349,772,499.39/629,344.58 - Step 6: Final answer
x = 470,886.35
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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.