Finding the Fourth Proportional to 527,083.70, 727,366.72 and 285,364.31
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Solution
The fourth proportional to 527,083.70, 727,366.72 and 285,364.31 is: 393,797.99
Step by Step Solution
- Step 1: Write the proportion equation
527,083.70 : 727,366.72 = 285,364.31 : x - Step 2: Convert to fraction form
527,083.70/727,366.72 = 285,364.31/x - Step 3: Cross multiply
527,083.70x = 727,366.72 × 285,364.31 - Step 4: Simplify right side
527,083.70x = 207,564,500,742.94 - Step 5: Solve for x
x = 207,564,500,742.94/527,083.70 - Step 6: Final answer
x = 393,797.99
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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.