Finding the Fourth Proportional to 744,576.08, 1,116,864.30 and 520,374.44
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Solution
The fourth proportional to 744,576.08, 1,116,864.30 and 520,374.44 is: 780,561.79
Step by Step Solution
- Step 1: Write the proportion equation
744,576.08 : 1,116,864.30 = 520,374.44 : x - Step 2: Convert to fraction form
744,576.08/1,116,864.30 = 520,374.44/x - Step 3: Cross multiply
744,576.08x = 1,116,864.30 × 520,374.44 - Step 4: Simplify right side
744,576.08x = 581,187,634,668.49 - Step 5: Solve for x
x = 581,187,634,668.49/744,576.08 - Step 6: Final answer
x = 780,561.79
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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.