Finding the Fourth Proportional to 567,555.42, 783,232.26 and 312,915.72
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Solution
The fourth proportional to 567,555.42, 783,232.26 and 312,915.72 is: 431,826.88
Step by Step Solution
- Step 1: Write the proportion equation
567,555.42 : 783,232.26 = 312,915.72 : x - Step 2: Convert to fraction form
567,555.42/783,232.26 = 312,915.72/x - Step 3: Cross multiply
567,555.42x = 783,232.26 × 312,915.72 - Step 4: Simplify right side
567,555.42x = 245,085,686,565.13 - Step 5: Solve for x
x = 245,085,686,565.13/567,555.42 - Step 6: Final answer
x = 431,826.88
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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.