Finding the Fourth Proportional to 764,327.80, 1,146,491.70 and 432,551.80
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Solution
The fourth proportional to 764,327.80, 1,146,491.70 and 432,551.80 is: 648,827.70
Step by Step Solution
- Step 1: Write the proportion equation
764,327.80 : 1,146,491.70 = 432,551.80 : x - Step 2: Convert to fraction form
764,327.80/1,146,491.70 = 432,551.80/x - Step 3: Cross multiply
764,327.80x = 1,146,491.70 × 432,551.80 - Step 4: Simplify right side
764,327.80x = 495,917,048,520.06 - Step 5: Solve for x
x = 495,917,048,520.06/764,327.80 - Step 6: Final answer
x = 648,827.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.