Finding the Fourth Proportional to 526,709.48, 726,953.70 and 297,336.68
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Solution
The fourth proportional to 526,709.48, 726,953.70 and 297,336.68 is: 410,378.03
Step by Step Solution
- Step 1: Write the proportion equation
526,709.48 : 726,953.70 = 297,336.68 : x - Step 2: Convert to fraction form
526,709.48/726,953.70 = 297,336.68/x - Step 3: Cross multiply
526,709.48x = 726,953.70 × 297,336.68 - Step 4: Simplify right side
526,709.48x = 216,149,999,671.72 - Step 5: Solve for x
x = 216,149,999,671.72/526,709.48 - Step 6: Final answer
x = 410,378.03
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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.