Finding the Fourth Proportional to 853,482.70, 1,177,797.27 and 471,484.54
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Solution
The fourth proportional to 853,482.70, 1,177,797.27 and 471,484.54 is: 650,643.77
Step by Step Solution
- Step 1: Write the proportion equation
853,482.70 : 1,177,797.27 = 471,484.54 : x - Step 2: Convert to fraction form
853,482.70/1,177,797.27 = 471,484.54/x - Step 3: Cross multiply
853,482.70x = 1,177,797.27 × 471,484.54 - Step 4: Simplify right side
853,482.70x = 555,313,204,059.21 - Step 5: Solve for x
x = 555,313,204,059.21/853,482.70 - Step 6: Final answer
x = 650,643.77
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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.