Finding the Fourth Proportional to 993,621.84, 1,490,457.35 and 362,535.63
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Solution
The fourth proportional to 993,621.84, 1,490,457.35 and 362,535.63 is: 543,812.42
Step by Step Solution
- Step 1: Write the proportion equation
993,621.84 : 1,490,457.35 = 362,535.63 : x - Step 2: Convert to fraction form
993,621.84/1,490,457.35 = 362,535.63/x - Step 3: Cross multiply
993,621.84x = 1,490,457.35 × 362,535.63 - Step 4: Simplify right side
993,621.84x = 540,343,894,370.38 - Step 5: Solve for x
x = 540,343,894,370.38/993,621.84 - Step 6: Final answer
x = 543,812.42
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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.