Finding the Fourth Proportional to 598,657.72, 826,158.36 and 326,728.12
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Solution
The fourth proportional to 598,657.72, 826,158.36 and 326,728.12 is: 450,890.65
Step by Step Solution
- Step 1: Write the proportion equation
598,657.72 : 826,158.36 = 326,728.12 : x - Step 2: Convert to fraction form
598,657.72/826,158.36 = 326,728.12/x - Step 3: Cross multiply
598,657.72x = 826,158.36 × 326,728.12 - Step 4: Simplify right side
598,657.72x = 269,929,167,785.08 - Step 5: Solve for x
x = 269,929,167,785.08/598,657.72 - Step 6: Final answer
x = 450,890.65
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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.