Finding the Fourth Proportional to 911,543.80, 1,367,315.70 and 806,567.80
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Solution
The fourth proportional to 911,543.80, 1,367,315.70 and 806,567.80 is: 1,209,851.70
Step by Step Solution
- Step 1: Write the proportion equation
911,543.80 : 1,367,315.70 = 806,567.80 : x - Step 2: Convert to fraction form
911,543.80/1,367,315.70 = 806,567.80/x - Step 3: Cross multiply
911,543.80x = 1,367,315.70 × 806,567.80 - Step 4: Simplify right side
911,543.80x = 1,102,832,816,054.46 - Step 5: Solve for x
x = 1,102,832,816,054.46/911,543.80 - Step 6: Final answer
x = 1,209,851.70
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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.