Finding the Fourth Proportional to 832,243.20, 1,246,252.80 and 457,843.20
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Solution
The fourth proportional to 832,243.20, 1,246,252.80 and 457,843.20 is: 685,602.92
Step by Step Solution
- Step 1: Write the proportion equation
832,243.20 : 1,246,252.80 = 457,843.20 : x - Step 2: Convert to fraction form
832,243.20/1,246,252.80 = 457,843.20/x - Step 3: Cross multiply
832,243.20x = 1,246,252.80 × 457,843.20 - Step 4: Simplify right side
832,243.20x = 570,588,369,960.96 - Step 5: Solve for x
x = 570,588,369,960.96/832,243.20 - Step 6: Final answer
x = 685,602.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.