Finding the Fourth Proportional to 1,117,367.74, 1,676,066.99 and 318,649.37
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Solution
The fourth proportional to 1,117,367.74, 1,676,066.99 and 318,649.37 is: 477,978.45
Step by Step Solution
- Step 1: Write the proportion equation
1,117,367.74 : 1,676,066.99 = 318,649.37 : x - Step 2: Convert to fraction form
1,117,367.74/1,676,066.99 = 318,649.37/x - Step 3: Cross multiply
1,117,367.74x = 1,676,066.99 × 318,649.37 - Step 4: Simplify right side
1,117,367.74x = 534,077,697,298.13 - Step 5: Solve for x
x = 534,077,697,298.13/1,117,367.74 - Step 6: Final answer
x = 477,978.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.