Finding the Fourth Proportional to 617,731.87, 852,487.79 and 345,798.14
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Solution
The fourth proportional to 617,731.87, 852,487.79 and 345,798.14 is: 477,211.40
Step by Step Solution
- Step 1: Write the proportion equation
617,731.87 : 852,487.79 = 345,798.14 : x - Step 2: Convert to fraction form
617,731.87/852,487.79 = 345,798.14/x - Step 3: Cross multiply
617,731.87x = 852,487.79 × 345,798.14 - Step 4: Simplify right side
617,731.87x = 294,788,690,506.02 - Step 5: Solve for x
x = 294,788,690,506.02/617,731.87 - Step 6: Final answer
x = 477,211.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.