Finding the Fourth Proportional to 598,921.20, 826,519.28 and 326,985.98
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Solution
The fourth proportional to 598,921.20, 826,519.28 and 326,985.98 is: 451,245.02
Step by Step Solution
- Step 1: Write the proportion equation
598,921.20 : 826,519.28 = 326,985.98 : x - Step 2: Convert to fraction form
598,921.20/826,519.28 = 326,985.98/x - Step 3: Cross multiply
598,921.20x = 826,519.28 × 326,985.98 - Step 4: Simplify right side
598,921.20x = 270,260,210,992.17 - Step 5: Solve for x
x = 270,260,210,992.17/598,921.20 - Step 6: Final answer
x = 451,245.02
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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.