Finding the Fourth Proportional to 519,554.27, 717,480.05 and 491,249.19
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Solution
The fourth proportional to 519,554.27, 717,480.05 and 491,249.19 is: 678,392.07
Step by Step Solution
- Step 1: Write the proportion equation
519,554.27 : 717,480.05 = 491,249.19 : x - Step 2: Convert to fraction form
519,554.27/717,480.05 = 491,249.19/x - Step 3: Cross multiply
519,554.27x = 717,480.05 × 491,249.19 - Step 4: Simplify right side
519,554.27x = 352,461,490,947.41 - Step 5: Solve for x
x = 352,461,490,947.41/519,554.27 - Step 6: Final answer
x = 678,392.07
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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.