Finding the Fourth Proportional to 882,904.19, 1,218,366.09 and 490,462.43
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Solution
The fourth proportional to 882,904.19, 1,218,366.09 and 490,462.43 is: 676,814.99
Step by Step Solution
- Step 1: Write the proportion equation
882,904.19 : 1,218,366.09 = 490,462.43 : x - Step 2: Convert to fraction form
882,904.19/1,218,366.09 = 490,462.43/x - Step 3: Cross multiply
882,904.19x = 1,218,366.09 × 490,462.43 - Step 4: Simplify right side
882,904.19x = 597,562,787,039.17 - Step 5: Solve for x
x = 597,562,787,039.17/882,904.19 - Step 6: Final answer
x = 676,814.99
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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.