Finding the Fourth Proportional to 718,363.98, 1,077,803.55 and 307,861.02
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Solution
The fourth proportional to 718,363.98, 1,077,803.55 and 307,861.02 is: 461,901.92
Step by Step Solution
- Step 1: Write the proportion equation
718,363.98 : 1,077,803.55 = 307,861.02 : x - Step 2: Convert to fraction form
718,363.98/1,077,803.55 = 307,861.02/x - Step 3: Cross multiply
718,363.98x = 1,077,803.55 × 307,861.02 - Step 4: Simplify right side
718,363.98x = 331,813,700,262.62 - Step 5: Solve for x
x = 331,813,700,262.62/718,363.98 - Step 6: Final answer
x = 461,901.92
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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.