Finding the Fourth Proportional to 811,937.99, 1,120,466.18 and 449,362.55
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Solution
The fourth proportional to 811,937.99, 1,120,466.18 and 449,362.55 is: 620,115.75
Step by Step Solution
- Step 1: Write the proportion equation
811,937.99 : 1,120,466.18 = 449,362.55 : x - Step 2: Convert to fraction form
811,937.99/1,120,466.18 = 449,362.55/x - Step 3: Cross multiply
811,937.99x = 1,120,466.18 × 449,362.55 - Step 4: Simplify right side
811,937.99x = 503,495,537,586.75 - Step 5: Solve for x
x = 503,495,537,586.75/811,937.99 - Step 6: Final answer
x = 620,115.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.