Finding the Fourth Proportional to 799,039.69, 1,102,707.68 and 459,507.94
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Solution
The fourth proportional to 799,039.69, 1,102,707.68 and 459,507.94 is: 634,139.88
Step by Step Solution
- Step 1: Write the proportion equation
799,039.69 : 1,102,707.68 = 459,507.94 : x - Step 2: Convert to fraction form
799,039.69/1,102,707.68 = 459,507.94/x - Step 3: Cross multiply
799,039.69x = 1,102,707.68 × 459,507.94 - Step 4: Simplify right side
799,039.69x = 506,702,929,404.67 - Step 5: Solve for x
x = 506,702,929,404.67/799,039.69 - Step 6: Final answer
x = 634,139.88
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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.