Finding the Fourth Proportional to 966,490.09, 1,450,232.61 and 398,291.02
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Solution
The fourth proportional to 966,490.09, 1,450,232.61 and 398,291.02 is: 597,641.54
Step by Step Solution
- Step 1: Write the proportion equation
966,490.09 : 1,450,232.61 = 398,291.02 : x - Step 2: Convert to fraction form
966,490.09/1,450,232.61 = 398,291.02/x - Step 3: Cross multiply
966,490.09x = 1,450,232.61 × 398,291.02 - Step 4: Simplify right side
966,490.09x = 577,614,625,474.16 - Step 5: Solve for x
x = 577,614,625,474.16/966,490.09 - Step 6: Final answer
x = 597,641.54
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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.