Finding the Fourth Proportional to 728,635.84, 1,093,368.52 and 479,435.20
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Solution
The fourth proportional to 728,635.84, 1,093,368.52 and 479,435.20 is: 719,425.71
Step by Step Solution
- Step 1: Write the proportion equation
728,635.84 : 1,093,368.52 = 479,435.20 : x - Step 2: Convert to fraction form
728,635.84/1,093,368.52 = 479,435.20/x - Step 3: Cross multiply
728,635.84x = 1,093,368.52 × 479,435.20 - Step 4: Simplify right side
728,635.84x = 524,199,355,059.90 - Step 5: Solve for x
x = 524,199,355,059.90/728,635.84 - Step 6: Final answer
x = 719,425.71
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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.