Finding the Fourth Proportional to 614,537.30, 921,805.95 and 446,575.70
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Solution
The fourth proportional to 614,537.30, 921,805.95 and 446,575.70 is: 669,863.55
Step by Step Solution
- Step 1: Write the proportion equation
614,537.30 : 921,805.95 = 446,575.70 : x - Step 2: Convert to fraction form
614,537.30/921,805.95 = 446,575.70/x - Step 3: Cross multiply
614,537.30x = 921,805.95 × 446,575.70 - Step 4: Simplify right side
614,537.30x = 411,656,137,385.42 - Step 5: Solve for x
x = 411,656,137,385.42/614,537.30 - Step 6: Final answer
x = 669,863.55
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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.