Finding the Fourth Proportional to 759,116.72, 1,138,695.24 and 332,432.12
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Solution
The fourth proportional to 759,116.72, 1,138,695.24 and 332,432.12 is: 498,657.01
Step by Step Solution
- Step 1: Write the proportion equation
759,116.72 : 1,138,695.24 = 332,432.12 : x - Step 2: Convert to fraction form
759,116.72/1,138,695.24 = 332,432.12/x - Step 3: Cross multiply
759,116.72x = 1,138,695.24 × 332,432.12 - Step 4: Simplify right side
759,116.72x = 378,538,872,667.11 - Step 5: Solve for x
x = 378,538,872,667.11/759,116.72 - Step 6: Final answer
x = 498,657.01
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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.