Finding the Fourth Proportional to 526,970.58, 727,218.79 and 285,253.08
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Solution
The fourth proportional to 526,970.58, 727,218.79 and 285,253.08 is: 393,648.92
Step by Step Solution
- Step 1: Write the proportion equation
526,970.58 : 727,218.79 = 285,253.08 : x - Step 2: Convert to fraction form
526,970.58/727,218.79 = 285,253.08/x - Step 3: Cross multiply
526,970.58x = 727,218.79 × 285,253.08 - Step 4: Simplify right side
526,970.58x = 207,441,396,241.17 - Step 5: Solve for x
x = 207,441,396,241.17/526,970.58 - Step 6: Final answer
x = 393,648.92
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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.