Finding the Fourth Proportional to 669,253.76, 923,589.44 and 378,842.88
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Solution
The fourth proportional to 669,253.76, 923,589.44 and 378,842.88 is: 522,814.07
Step by Step Solution
- Step 1: Write the proportion equation
669,253.76 : 923,589.44 = 378,842.88 : x - Step 2: Convert to fraction form
669,253.76/923,589.44 = 378,842.88/x - Step 3: Cross multiply
669,253.76x = 923,589.44 × 378,842.88 - Step 4: Simplify right side
669,253.76x = 349,895,283,387.19 - Step 5: Solve for x
x = 349,895,283,387.19/669,253.76 - Step 6: Final answer
x = 522,814.07
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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.