Finding the Fourth Proportional to 829,166.07, 1,144,872.75 and 815,924.09
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Solution
The fourth proportional to 829,166.07, 1,144,872.75 and 815,924.09 is: 1,126,588.85
Step by Step Solution
- Step 1: Write the proportion equation
829,166.07 : 1,144,872.75 = 815,924.09 : x - Step 2: Convert to fraction form
829,166.07/1,144,872.75 = 815,924.09/x - Step 3: Cross multiply
829,166.07x = 1,144,872.75 × 815,924.09 - Step 4: Simplify right side
829,166.07x = 934,129,250,985.18 - Step 5: Solve for x
x = 934,129,250,985.18/829,166.07 - Step 6: Final answer
x = 1,126,588.85
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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.