Finding the Fourth Proportional to 989,097.68, 1,483,643.28 and 357,861.44
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Solution
The fourth proportional to 989,097.68, 1,483,643.28 and 357,861.44 is: 536,790.99
Step by Step Solution
- Step 1: Write the proportion equation
989,097.68 : 1,483,643.28 = 357,861.44 : x - Step 2: Convert to fraction form
989,097.68/1,483,643.28 = 357,861.44/x - Step 3: Cross multiply
989,097.68x = 1,483,643.28 × 357,861.44 - Step 4: Simplify right side
989,097.68x = 530,938,720,627.12 - Step 5: Solve for x
x = 530,938,720,627.12/989,097.68 - Step 6: Final answer
x = 536,790.99
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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.