Finding the Fourth Proportional to 624,740.60, 936,970.50 and 287,457.68
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Solution
The fourth proportional to 624,740.60, 936,970.50 and 287,457.68 is: 431,121.92
Step by Step Solution
- Step 1: Write the proportion equation
624,740.60 : 936,970.50 = 287,457.68 : x - Step 2: Convert to fraction form
624,740.60/936,970.50 = 287,457.68/x - Step 3: Cross multiply
624,740.60x = 936,970.50 × 287,457.68 - Step 4: Simplify right side
624,740.60x = 269,339,366,158.44 - Step 5: Solve for x
x = 269,339,366,158.44/624,740.60 - Step 6: Final answer
x = 431,121.92
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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.