Finding the Fourth Proportional to 911,141.11, 1,368,116.26 and 770,830.08
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Solution
The fourth proportional to 911,141.11, 1,368,116.26 and 770,830.08 is: 1,157,433.41
Step by Step Solution
- Step 1: Write the proportion equation
911,141.11 : 1,368,116.26 = 770,830.08 : x - Step 2: Convert to fraction form
911,141.11/1,368,116.26 = 770,830.08/x - Step 3: Cross multiply
911,141.11x = 1,368,116.26 × 770,830.08 - Step 4: Simplify right side
911,141.11x = 1,054,585,159,087.59 - Step 5: Solve for x
x = 1,054,585,159,087.59/911,141.11 - Step 6: Final answer
x = 1,157,433.41
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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.