Finding the Fourth Proportional to 538,467.72, 743,090.52 and 296,758.99
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Solution
The fourth proportional to 538,467.72, 743,090.52 and 296,758.99 is: 409,530.20
Step by Step Solution
- Step 1: Write the proportion equation
538,467.72 : 743,090.52 = 296,758.99 : x - Step 2: Convert to fraction form
538,467.72/743,090.52 = 296,758.99/x - Step 3: Cross multiply
538,467.72x = 743,090.52 × 296,758.99 - Step 4: Simplify right side
538,467.72x = 220,518,792,193.78 - Step 5: Solve for x
x = 220,518,792,193.78/538,467.72 - Step 6: Final answer
x = 409,530.20
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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.