Finding the Fourth Proportional to 527,299.68, 727,705.44 and 323,374.08
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Solution
The fourth proportional to 527,299.68, 727,705.44 and 323,374.08 is: 446,275.78
Step by Step Solution
- Step 1: Write the proportion equation
527,299.68 : 727,705.44 = 323,374.08 : x - Step 2: Convert to fraction form
527,299.68/727,705.44 = 323,374.08/x - Step 3: Cross multiply
527,299.68x = 727,705.44 × 323,374.08 - Step 4: Simplify right side
527,299.68x = 235,321,077,171.00 - Step 5: Solve for x
x = 235,321,077,171.00/527,299.68 - Step 6: Final answer
x = 446,275.78
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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.