Finding the Fourth Proportional to 909,859.52, 1,364,964.24 and 348,850.28
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Solution
The fourth proportional to 909,859.52, 1,364,964.24 and 348,850.28 is: 523,342.50
Step by Step Solution
- Step 1: Write the proportion equation
909,859.52 : 1,364,964.24 = 348,850.28 : x - Step 2: Convert to fraction form
909,859.52/1,364,964.24 = 348,850.28/x - Step 3: Cross multiply
909,859.52x = 1,364,964.24 × 348,850.28 - Step 4: Simplify right side
909,859.52x = 476,168,157,313.99 - Step 5: Solve for x
x = 476,168,157,313.99/909,859.52 - Step 6: Final answer
x = 523,342.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.