Finding the Fourth Proportional to 783,970.79, 1,175,845.47 and 251,422.62
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Solution
The fourth proportional to 783,970.79, 1,175,845.47 and 251,422.62 is: 377,098.42
Step by Step Solution
- Step 1: Write the proportion equation
783,970.79 : 1,175,845.47 = 251,422.62 : x - Step 2: Convert to fraction form
783,970.79/1,175,845.47 = 251,422.62/x - Step 3: Cross multiply
783,970.79x = 1,175,845.47 × 251,422.62 - Step 4: Simplify right side
783,970.79x = 295,634,148,782.53 - Step 5: Solve for x
x = 295,634,148,782.53/783,970.79 - Step 6: Final answer
x = 377,098.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.