Finding the Fourth Proportional to 888,322.18, 1,225,891.94 and 506,373.56
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Solution
The fourth proportional to 888,322.18, 1,225,891.94 and 506,373.56 is: 698,799.69
Step by Step Solution
- Step 1: Write the proportion equation
888,322.18 : 1,225,891.94 = 506,373.56 : x - Step 2: Convert to fraction form
888,322.18/1,225,891.94 = 506,373.56/x - Step 3: Cross multiply
888,322.18x = 1,225,891.94 × 506,373.56 - Step 4: Simplify right side
888,322.18x = 620,759,263,301.24 - Step 5: Solve for x
x = 620,759,263,301.24/888,322.18 - Step 6: Final answer
x = 698,799.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.