Finding the Fourth Proportional to 719,826.84, 993,368.52 and 397,545.12
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Solution
The fourth proportional to 719,826.84, 993,368.52 and 397,545.12 is: 548,616.40
Step by Step Solution
- Step 1: Write the proportion equation
719,826.84 : 993,368.52 = 397,545.12 : x - Step 2: Convert to fraction form
719,826.84/993,368.52 = 397,545.12/x - Step 3: Cross multiply
719,826.84x = 993,368.52 × 397,545.12 - Step 4: Simplify right side
719,826.84x = 394,908,807,487.62 - Step 5: Solve for x
x = 394,908,807,487.62/719,826.84 - Step 6: Final answer
x = 548,616.40
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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.