Finding the Fourth Proportional to 613,046.76, 845,877.74 and 358,348.68
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Solution
The fourth proportional to 613,046.76, 845,877.74 and 358,348.68 is: 494,447.07
Step by Step Solution
- Step 1: Write the proportion equation
613,046.76 : 845,877.74 = 358,348.68 : x - Step 2: Convert to fraction form
613,046.76/845,877.74 = 358,348.68/x - Step 3: Cross multiply
613,046.76x = 845,877.74 × 358,348.68 - Step 4: Simplify right side
613,046.76x = 303,119,171,570.38 - Step 5: Solve for x
x = 303,119,171,570.38/613,046.76 - Step 6: Final answer
x = 494,447.07
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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.