Finding the Fourth Proportional to 854,028.94, 1,178,439.52 and 486,515.74
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Solution
The fourth proportional to 854,028.94, 1,178,439.52 and 486,515.74 is: 671,323.12
Step by Step Solution
- Step 1: Write the proportion equation
854,028.94 : 1,178,439.52 = 486,515.74 : x - Step 2: Convert to fraction form
854,028.94/1,178,439.52 = 486,515.74/x - Step 3: Cross multiply
854,028.94x = 1,178,439.52 × 486,515.74 - Step 4: Simplify right side
854,028.94x = 573,329,375,118.05 - Step 5: Solve for x
x = 573,329,375,118.05/854,028.94 - Step 6: Final answer
x = 671,323.12
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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.