Finding the Fourth Proportional to 813,333.26, 1,121,402.18 and 659,937.08
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Solution
The fourth proportional to 813,333.26, 1,121,402.18 and 659,937.08 is: 909,903.62
Step by Step Solution
- Step 1: Write the proportion equation
813,333.26 : 1,121,402.18 = 659,937.08 : x - Step 2: Convert to fraction form
813,333.26/1,121,402.18 = 659,937.08/x - Step 3: Cross multiply
813,333.26x = 1,121,402.18 × 659,937.08 - Step 4: Simplify right side
813,333.26x = 740,054,880,174.83 - Step 5: Solve for x
x = 740,054,880,174.83/813,333.26 - Step 6: Final answer
x = 909,903.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.