Finding the Fourth Proportional to 1,117,517.80, 1,676,536.98 and 318,810.28
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Solution
The fourth proportional to 1,117,517.80, 1,676,536.98 and 318,810.28 is: 478,289.67
Step by Step Solution
- Step 1: Write the proportion equation
1,117,517.80 : 1,676,536.98 = 318,810.28 : x - Step 2: Convert to fraction form
1,117,517.80/1,676,536.98 = 318,810.28/x - Step 3: Cross multiply
1,117,517.80x = 1,676,536.98 × 318,810.28 - Step 4: Simplify right side
1,117,517.80x = 534,497,224,024.15 - Step 5: Solve for x
x = 534,497,224,024.15/1,117,517.80 - Step 6: Final answer
x = 478,289.67
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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.