Finding the Fourth Proportional to 1,117,310.42, 1,676,064.42 and 318,574.82
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Solution
The fourth proportional to 1,117,310.42, 1,676,064.42 and 318,574.82 is: 477,890.40
Step by Step Solution
- Step 1: Write the proportion equation
1,117,310.42 : 1,676,064.42 = 318,574.82 : x - Step 2: Convert to fraction form
1,117,310.42/1,676,064.42 = 318,574.82/x - Step 3: Cross multiply
1,117,310.42x = 1,676,064.42 × 318,574.82 - Step 4: Simplify right side
1,117,310.42x = 533,951,920,909.90 - Step 5: Solve for x
x = 533,951,920,909.90/1,117,310.42 - Step 6: Final answer
x = 477,890.40
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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.