Finding the Fourth Proportional to 555,858.05, 829,719.15 and 477,475.97
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Solution
The fourth proportional to 555,858.05, 829,719.15 and 477,475.97 is: 712,719.65
Step by Step Solution
- Step 1: Write the proportion equation
555,858.05 : 829,719.15 = 477,475.97 : x - Step 2: Convert to fraction form
555,858.05/829,719.15 = 477,475.97/x - Step 3: Cross multiply
555,858.05x = 829,719.15 × 477,475.97 - Step 4: Simplify right side
555,858.05x = 396,170,950,034.70 - Step 5: Solve for x
x = 396,170,950,034.70/555,858.05 - Step 6: Final answer
x = 712,719.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.