Finding the Fourth Proportional to 522,926.20, 721,652.52 and 293,497.75
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Solution
The fourth proportional to 522,926.20, 721,652.52 and 293,497.75 is: 405,034.96
Step by Step Solution
- Step 1: Write the proportion equation
522,926.20 : 721,652.52 = 293,497.75 : x - Step 2: Convert to fraction form
522,926.20/721,652.52 = 293,497.75/x - Step 3: Cross multiply
522,926.20x = 721,652.52 × 293,497.75 - Step 4: Simplify right side
522,926.20x = 211,803,390,901.83 - Step 5: Solve for x
x = 211,803,390,901.83/522,926.20 - Step 6: Final answer
x = 405,034.96
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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.