Finding the Fourth Proportional to 667,414.66, 1,000,677.18 and 346,778.58
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Solution
The fourth proportional to 667,414.66, 1,000,677.18 and 346,778.58 is: 519,936.75
Step by Step Solution
- Step 1: Write the proportion equation
667,414.66 : 1,000,677.18 = 346,778.58 : x - Step 2: Convert to fraction form
667,414.66/1,000,677.18 = 346,778.58/x - Step 3: Cross multiply
667,414.66x = 1,000,677.18 × 346,778.58 - Step 4: Simplify right side
667,414.66x = 347,013,411,518.80 - Step 5: Solve for x
x = 347,013,411,518.80/667,414.66 - Step 6: Final answer
x = 519,936.75
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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.