Finding the Fourth Proportional to 676,676.09, 933,777.30 and 386,276.12
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Solution
The fourth proportional to 676,676.09, 933,777.30 and 386,276.12 is: 533,040.66
Step by Step Solution
- Step 1: Write the proportion equation
676,676.09 : 933,777.30 = 386,276.12 : x - Step 2: Convert to fraction form
676,676.09/933,777.30 = 386,276.12/x - Step 3: Cross multiply
676,676.09x = 933,777.30 × 386,276.12 - Step 4: Simplify right side
676,676.09x = 360,695,872,388.08 - Step 5: Solve for x
x = 360,695,872,388.08/676,676.09 - Step 6: Final answer
x = 533,040.66
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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.