Finding the Fourth Proportional to 567,452.96, 783,069.36 and 312,804.08
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Solution
The fourth proportional to 567,452.96, 783,069.36 and 312,804.08 is: 431,660.96
Step by Step Solution
- Step 1: Write the proportion equation
567,452.96 : 783,069.36 = 312,804.08 : x - Step 2: Convert to fraction form
567,452.96/783,069.36 = 312,804.08/x - Step 3: Cross multiply
567,452.96x = 783,069.36 × 312,804.08 - Step 4: Simplify right side
567,452.96x = 244,947,290,730.99 - Step 5: Solve for x
x = 244,947,290,730.99/567,452.96 - Step 6: Final answer
x = 431,660.96
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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.