Finding the Fourth Proportional to 730,748.29, 1,007,514.98 and 558,877.09
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Solution
The fourth proportional to 730,748.29, 1,007,514.98 and 558,877.09 is: 770,548.56
Step by Step Solution
- Step 1: Write the proportion equation
730,748.29 : 1,007,514.98 = 558,877.09 : x - Step 2: Convert to fraction form
730,748.29/1,007,514.98 = 558,877.09/x - Step 3: Cross multiply
730,748.29x = 1,007,514.98 × 558,877.09 - Step 4: Simplify right side
730,748.29x = 563,077,040,153.81 - Step 5: Solve for x
x = 563,077,040,153.81/730,748.29 - Step 6: Final answer
x = 770,548.56
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1.5x scale
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.