Finding the Fourth Proportional to 801,190.66, 1,106,392.56 and 515,207.62
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Solution
The fourth proportional to 801,190.66, 1,106,392.56 and 515,207.62 is: 711,468.45
Step by Step Solution
- Step 1: Write the proportion equation
801,190.66 : 1,106,392.56 = 515,207.62 : x - Step 2: Convert to fraction form
801,190.66/1,106,392.56 = 515,207.62/x - Step 3: Cross multiply
801,190.66x = 1,106,392.56 × 515,207.62 - Step 4: Simplify right side
801,190.66x = 570,021,877,623.31 - Step 5: Solve for x
x = 570,021,877,623.31/801,190.66 - Step 6: Final answer
x = 711,468.45
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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.