Finding the Fourth Proportional to 912,884.40, 1,366,702.20 and 807,908.40
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Solution
The fourth proportional to 912,884.40, 1,366,702.20 and 807,908.40 is: 1,209,539.99
Step by Step Solution
- Step 1: Write the proportion equation
912,884.40 : 1,366,702.20 = 807,908.40 : x - Step 2: Convert to fraction form
912,884.40/1,366,702.20 = 807,908.40/x - Step 3: Cross multiply
912,884.40x = 1,366,702.20 × 807,908.40 - Step 4: Simplify right side
912,884.40x = 1,104,170,187,678.48 - Step 5: Solve for x
x = 1,104,170,187,678.48/912,884.40 - Step 6: Final answer
x = 1,209,539.99
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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.