Finding the Fourth Proportional to 963,195.08, 1,330,102.69 and 721,057.28
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Solution
The fourth proportional to 963,195.08, 1,330,102.69 and 721,057.28 is: 995,727.91
Step by Step Solution
- Step 1: Write the proportion equation
963,195.08 : 1,330,102.69 = 721,057.28 : x - Step 2: Convert to fraction form
963,195.08/1,330,102.69 = 721,057.28/x - Step 3: Cross multiply
963,195.08x = 1,330,102.69 × 721,057.28 - Step 4: Simplify right side
963,195.08x = 959,080,219,318.93 - Step 5: Solve for x
x = 959,080,219,318.93/963,195.08 - Step 6: Final answer
x = 995,727.91
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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.