Finding the Fourth Proportional to 824,155.80, 1,235,643.30 and 318,283.80
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Solution
The fourth proportional to 824,155.80, 1,235,643.30 and 318,283.80 is: 477,197.69
Step by Step Solution
- Step 1: Write the proportion equation
824,155.80 : 1,235,643.30 = 318,283.80 : x - Step 2: Convert to fraction form
824,155.80/1,235,643.30 = 318,283.80/x - Step 3: Cross multiply
824,155.80x = 1,235,643.30 × 318,283.80 - Step 4: Simplify right side
824,155.80x = 393,285,244,968.54 - Step 5: Solve for x
x = 393,285,244,968.54/824,155.80 - Step 6: Final answer
x = 477,197.69
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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.