Finding the Fourth Proportional to 670,491.07, 925,277.69 and 368,685.07
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Solution
The fourth proportional to 670,491.07, 925,277.69 and 368,685.07 is: 508,785.40
Step by Step Solution
- Step 1: Write the proportion equation
670,491.07 : 925,277.69 = 368,685.07 : x - Step 2: Convert to fraction form
670,491.07/925,277.69 = 368,685.07/x - Step 3: Cross multiply
670,491.07x = 925,277.69 × 368,685.07 - Step 4: Simplify right side
670,491.07x = 341,136,068,063.66 - Step 5: Solve for x
x = 341,136,068,063.66/670,491.07 - Step 6: Final answer
x = 508,785.40
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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.