Finding the Fourth Proportional to 1,153,306.40, 1,729,955.52 and 311,858.08
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Solution
The fourth proportional to 1,153,306.40, 1,729,955.52 and 311,858.08 is: 467,786.02
Step by Step Solution
- Step 1: Write the proportion equation
1,153,306.40 : 1,729,955.52 = 311,858.08 : x - Step 2: Convert to fraction form
1,153,306.40/1,729,955.52 = 311,858.08/x - Step 3: Cross multiply
1,153,306.40x = 1,729,955.52 × 311,858.08 - Step 4: Simplify right side
1,153,306.40x = 539,500,606,952.60 - Step 5: Solve for x
x = 539,500,606,952.60/1,153,306.40 - Step 6: Final answer
x = 467,786.02
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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.