Finding the Fourth Proportional to 902,370.19, 1,245,270.86 and 499,962.19
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Solution
The fourth proportional to 902,370.19, 1,245,270.86 and 499,962.19 is: 689,947.82
Step by Step Solution
- Step 1: Write the proportion equation
902,370.19 : 1,245,270.86 = 499,962.19 : x - Step 2: Convert to fraction form
902,370.19/1,245,270.86 = 499,962.19/x - Step 3: Cross multiply
902,370.19x = 1,245,270.86 × 499,962.19 - Step 4: Simplify right side
902,370.19x = 622,588,342,570.65 - Step 5: Solve for x
x = 622,588,342,570.65/902,370.19 - Step 6: Final answer
x = 689,947.82
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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.