Finding the Fourth Proportional to 681,523.68, 940,509.03 and 375,610.98
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Solution
The fourth proportional to 681,523.68, 940,509.03 and 375,610.98 is: 518,346.65
Step by Step Solution
- Step 1: Write the proportion equation
681,523.68 : 940,509.03 = 375,610.98 : x - Step 2: Convert to fraction form
681,523.68/940,509.03 = 375,610.98/x - Step 3: Cross multiply
681,523.68x = 940,509.03 × 375,610.98 - Step 4: Simplify right side
681,523.68x = 353,265,518,457.15 - Step 5: Solve for x
x = 353,265,518,457.15/681,523.68 - Step 6: Final answer
x = 518,346.65
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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.