Finding the Fourth Proportional to 557,774.22, 769,734.36 and 303,125.40
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Solution
The fourth proportional to 557,774.22, 769,734.36 and 303,125.40 is: 418,316.28
Step by Step Solution
- Step 1: Write the proportion equation
557,774.22 : 769,734.36 = 303,125.40 : x - Step 2: Convert to fraction form
557,774.22/769,734.36 = 303,125.40/x - Step 3: Cross multiply
557,774.22x = 769,734.36 × 303,125.40 - Step 4: Simplify right side
557,774.22x = 233,326,035,768.74 - Step 5: Solve for x
x = 233,326,035,768.74/557,774.22 - Step 6: Final answer
x = 418,316.28
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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.