Finding the Fourth Proportional to 669,110.63, 922,760.10 and 439,576.88
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Solution
The fourth proportional to 669,110.63, 922,760.10 and 439,576.88 is: 606,213.66
Step by Step Solution
- Step 1: Write the proportion equation
669,110.63 : 922,760.10 = 439,576.88 : x - Step 2: Convert to fraction form
669,110.63/922,760.10 = 439,576.88/x - Step 3: Cross multiply
669,110.63x = 922,760.10 × 439,576.88 - Step 4: Simplify right side
669,110.63x = 405,624,001,132.69 - Step 5: Solve for x
x = 405,624,001,132.69/669,110.63 - Step 6: Final answer
x = 606,213.66
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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.