Finding the Fourth Proportional to 554,287.98, 764,917.11 and 299,639.64
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Solution
The fourth proportional to 554,287.98, 764,917.11 and 299,639.64 is: 413,502.54
Step by Step Solution
- Step 1: Write the proportion equation
554,287.98 : 764,917.11 = 299,639.64 : x - Step 2: Convert to fraction form
554,287.98/764,917.11 = 299,639.64/x - Step 3: Cross multiply
554,287.98x = 764,917.11 × 299,639.64 - Step 4: Simplify right side
554,287.98x = 229,199,487,470.24 - Step 5: Solve for x
x = 229,199,487,470.24/554,287.98 - Step 6: Final answer
x = 413,502.54
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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.