Finding the Fourth Proportional to 538,064.88, 742,563.24 and 296,347.41
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Solution
The fourth proportional to 538,064.88, 742,563.24 and 296,347.41 is: 408,977.99
Step by Step Solution
- Step 1: Write the proportion equation
538,064.88 : 742,563.24 = 296,347.41 : x - Step 2: Convert to fraction form
538,064.88/742,563.24 = 296,347.41/x - Step 3: Cross multiply
538,064.88x = 742,563.24 × 296,347.41 - Step 4: Simplify right side
538,064.88x = 220,056,692,935.21 - Step 5: Solve for x
x = 220,056,692,935.21/538,064.88 - Step 6: Final answer
x = 408,977.99
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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.