Finding the Fourth Proportional to 455,864.80, 682,813.05 and 377,132.80
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Solution
The fourth proportional to 455,864.80, 682,813.05 and 377,132.80 is: 564,885.02
Step by Step Solution
- Step 1: Write the proportion equation
455,864.80 : 682,813.05 = 377,132.80 : x - Step 2: Convert to fraction form
455,864.80/682,813.05 = 377,132.80/x - Step 3: Cross multiply
455,864.80x = 682,813.05 × 377,132.80 - Step 4: Simplify right side
455,864.80x = 257,511,197,423.04 - Step 5: Solve for x
x = 257,511,197,423.04/455,864.80 - Step 6: Final answer
x = 564,885.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.