Finding the Fourth Proportional to 671,284.72, 1,006,929.80 and 271,933.05
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Solution
The fourth proportional to 671,284.72, 1,006,929.80 and 271,933.05 is: 407,900.68
Step by Step Solution
- Step 1: Write the proportion equation
671,284.72 : 1,006,929.80 = 271,933.05 : x - Step 2: Convert to fraction form
671,284.72/1,006,929.80 = 271,933.05/x - Step 3: Cross multiply
671,284.72x = 1,006,929.80 × 271,933.05 - Step 4: Simplify right side
671,284.72x = 273,817,491,649.89 - Step 5: Solve for x
x = 273,817,491,649.89/671,284.72 - Step 6: Final answer
x = 407,900.68
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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.