Finding the Fourth Proportional to 526,970.36, 727,218.49 and 285,252.87
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Solution
The fourth proportional to 526,970.36, 727,218.49 and 285,252.87 is: 393,648.63
Step by Step Solution
- Step 1: Write the proportion equation
526,970.36 : 727,218.49 = 285,252.87 : x - Step 2: Convert to fraction form
526,970.36/727,218.49 = 285,252.87/x - Step 3: Cross multiply
526,970.36x = 727,218.49 × 285,252.87 - Step 4: Simplify right side
526,970.36x = 207,441,161,389.57 - Step 5: Solve for x
x = 207,441,161,389.57/526,970.36 - Step 6: Final answer
x = 393,648.63
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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.