Finding the Fourth Proportional to 959,457.83, 1,439,183.90 and 390,704.99
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Solution
The fourth proportional to 959,457.83, 1,439,183.90 and 390,704.99 is: 586,056.32
Step by Step Solution
- Step 1: Write the proportion equation
959,457.83 : 1,439,183.90 = 390,704.99 : x - Step 2: Convert to fraction form
959,457.83/1,439,183.90 = 390,704.99/x - Step 3: Cross multiply
959,457.83x = 1,439,183.90 × 390,704.99 - Step 4: Simplify right side
959,457.83x = 562,296,325,038.50 - Step 5: Solve for x
x = 562,296,325,038.50/959,457.83 - Step 6: Final answer
x = 586,056.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.