Finding the Fourth Proportional to 911,633.80, 1,367,450.70 and 806,657.80
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Solution
The fourth proportional to 911,633.80, 1,367,450.70 and 806,657.80 is: 1,209,986.70
Step by Step Solution
- Step 1: Write the proportion equation
911,633.80 : 1,367,450.70 = 806,657.80 : x - Step 2: Convert to fraction form
911,633.80/1,367,450.70 = 806,657.80/x - Step 3: Cross multiply
911,633.80x = 1,367,450.70 × 806,657.80 - Step 4: Simplify right side
911,633.80x = 1,103,064,773,270.46 - Step 5: Solve for x
x = 1,103,064,773,270.46/911,633.80 - Step 6: Final answer
x = 1,209,986.70
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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.