Finding the Fourth Proportional to 838,101.42, 1,257,964.05 and 792,584.48
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Solution
The fourth proportional to 838,101.42, 1,257,964.05 and 792,584.48 is: 1,189,644.54
Step by Step Solution
- Step 1: Write the proportion equation
838,101.42 : 1,257,964.05 = 792,584.48 : x - Step 2: Convert to fraction form
838,101.42/1,257,964.05 = 792,584.48/x - Step 3: Cross multiply
838,101.42x = 1,257,964.05 × 792,584.48 - Step 4: Simplify right side
838,101.42x = 997,042,782,427.94 - Step 5: Solve for x
x = 997,042,782,427.94/838,101.42 - Step 6: Final answer
x = 1,189,644.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.