Finding the Fourth Proportional to 907,660.80, 1,361,491.20 and 375,563.70
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Solution
The fourth proportional to 907,660.80, 1,361,491.20 and 375,563.70 is: 563,345.55
Step by Step Solution
- Step 1: Write the proportion equation
907,660.80 : 1,361,491.20 = 375,563.70 : x - Step 2: Convert to fraction form
907,660.80/1,361,491.20 = 375,563.70/x - Step 3: Cross multiply
907,660.80x = 1,361,491.20 × 375,563.70 - Step 4: Simplify right side
907,660.80x = 511,326,672,589.44 - Step 5: Solve for x
x = 511,326,672,589.44/907,660.80 - Step 6: Final answer
x = 563,345.55
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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.