Finding the Fourth Proportional to 752,541.72, 1,129,181.58 and 353,215
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Solution
The fourth proportional to 752,541.72, 1,129,181.58 and 353,215 is: 529,995.69
Step by Step Solution
- Step 1: Write the proportion equation
752,541.72 : 1,129,181.58 = 353,215 : x - Step 2: Convert to fraction form
752,541.72/1,129,181.58 = 353,215/x - Step 3: Cross multiply
752,541.72x = 1,129,181.58 × 353,215 - Step 4: Simplify right side
752,541.72x = 398,843,871,779.70 - Step 5: Solve for x
x = 398,843,871,779.70/752,541.72 - Step 6: Final answer
x = 529,995.69
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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.