Finding the Fourth Proportional to 988,519.55, 1,364,215.81 and 558,839.66
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Solution
The fourth proportional to 988,519.55, 1,364,215.81 and 558,839.66 is: 771,231.99
Step by Step Solution
- Step 1: Write the proportion equation
988,519.55 : 1,364,215.81 = 558,839.66 : x - Step 2: Convert to fraction form
988,519.55/1,364,215.81 = 558,839.66/x - Step 3: Cross multiply
988,519.55x = 1,364,215.81 × 558,839.66 - Step 4: Simplify right side
988,519.55x = 762,377,903,640.19 - Step 5: Solve for x
x = 762,377,903,640.19/988,519.55 - Step 6: Final answer
x = 771,231.99
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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.