Finding the Fourth Proportional to 811,737.84, 1,120,199.52 and 449,176.98
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Solution
The fourth proportional to 811,737.84, 1,120,199.52 and 449,176.98 is: 619,864.95
Step by Step Solution
- Step 1: Write the proportion equation
811,737.84 : 1,120,199.52 = 449,176.98 : x - Step 2: Convert to fraction form
811,737.84/1,120,199.52 = 449,176.98/x - Step 3: Cross multiply
811,737.84x = 1,120,199.52 × 449,176.98 - Step 4: Simplify right side
811,737.84x = 503,167,837,391.05 - Step 5: Solve for x
x = 503,167,837,391.05/811,737.84 - Step 6: Final answer
x = 619,864.95
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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.