Finding the Fourth Proportional to 439,563.12, 605,512.17 and 374,821.71
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Solution
The fourth proportional to 439,563.12, 605,512.17 and 374,821.71 is: 516,328.82
Step by Step Solution
- Step 1: Write the proportion equation
439,563.12 : 605,512.17 = 374,821.71 : x - Step 2: Convert to fraction form
439,563.12/605,512.17 = 374,821.71/x - Step 3: Cross multiply
439,563.12x = 605,512.17 × 374,821.71 - Step 4: Simplify right side
439,563.12x = 226,959,106,985.21 - Step 5: Solve for x
x = 226,959,106,985.21/439,563.12 - Step 6: Final answer
x = 516,328.82
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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.