Finding the Fourth Proportional to 571,415.03, 788,441.70 and 338,798.99
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Solution
The fourth proportional to 571,415.03, 788,441.70 and 338,798.99 is: 467,476.76
Step by Step Solution
- Step 1: Write the proportion equation
571,415.03 : 788,441.70 = 338,798.99 : x - Step 2: Convert to fraction form
571,415.03/788,441.70 = 338,798.99/x - Step 3: Cross multiply
571,415.03x = 788,441.70 × 338,798.99 - Step 4: Simplify right side
571,415.03x = 267,123,250,076.21 - Step 5: Solve for x
x = 267,123,250,076.21/571,415.03 - Step 6: Final answer
x = 467,476.76
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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.